Explore the infinite - the beauty of the great unknown with renowned Space Enthusiast Tomasz Nowakowski, who has combined his lifelong passion for exploring the Universe with his academic profession. Join Tomasz and his many featured guests as they share their perspectives & possibilities of Space.
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Hi, everyone.
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Welcome to be on space, even at the tundra.
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In today's episode, we'll talk about a very interesting star
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nearby known as Captain Set, which is similar to our sun
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in it was young.
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And our next guest is Universal Physicist at the NASA Got
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Space by Senator has deleted the author of the recent paper
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regarding the star.
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So without any further Ado, please welcome.
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Please welcome Vladimir Aircam.
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Hi, Value.
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Hello.
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Thank you for inviting me.
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It's great to have you here.
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Okay.
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So the first question to get a better general view of your
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study, what exactly is the capital one city?
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What do we know about the star?
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Yeah.
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So the couple of city is one of a number of stars that astronomers
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started to monitor about 25 years ago, 30 years ago.
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Yeah.
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Because we're trying to understand our sun in its youth.
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And for that, we have a number of indicators that tell us
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about its use, the stellar youth, the stellar age, and, for
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instance, stellar rotation, how fast the stars rotate.
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For instance, the average rotation rate of our sons, like
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once every 27 days.
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And for instance, and what does it mean that if a star rotates
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once every three days, every five days, every ten days?
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And the astronomy is actually beautiful science, because
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we can go out on a clear night practically every day, if
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you're in a right place.
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Right.
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And observe the stars.
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And believe it or not, about, like, 10% of all stars that
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in our Galaxy are stars like our sun.
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So we have a lot of material to work with.
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And if we're smart, we can find this subset of stars that
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resemble our son.
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It's current age.
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So we have a lot of them, by the way.
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But by itself, it's a very important a question because we
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don't know how typical our son is.
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For instance, if you want to find a typical 50 year old male
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in the United States or in China, and what would you do?
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You would study, create example, right.
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And then do statistics.
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So that's exactly what we do.
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And for that, we know a few important parameters of stars.
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So basically, this kind of approach was taken in order to
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study and reveal a subset of stars.
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And a coup one city is one of them that is rotating at a
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rate of nine two days rotation, which is like three times
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faster than our sun.
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And now we know that the fastest star rotates the younger
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it is, so we can calibrate the age.
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So that's how we know that the star is about 600, 700 million
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years old.
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And that coincides with the start of life origin of life
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on Earth.
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So it's basically a life started for billion years ago.
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So that's why I got my interest in that star, because I thought,
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well, life started for billion years ago.
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People normally talk about different factors that are affecting
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the origin of life on Earth, and they're almost Geophysical
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related to the Earth.
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But no one talks about the they're basically more global
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parameters. And this kind of question that was naive and
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sometimes crazy, whether our sun can actually somehow affect
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the origin of life on Earth.
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It is true or not.
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I mean, at least we need to start this scientific study to
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answer the question.
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So that's basically about, like, five, six years ago, when
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I asked myself this question, I started to look at the stars,
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and the couple one side was one of them.
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It's not the only star.
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So currently I'm doing the Hubble Fast Scope and XMM study
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of four stars, and they're all pretty similar.
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Now I want to know which one is the best one.
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Well, it's like saying that which one is the best person
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on this planet.
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Well, we need to say that relevant.
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Right.
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Muslim, and it looks like relevant.
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Yeah.
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But this one is nearby for the years away.
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It's not so distant.
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Right.
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And we have the kind of solar analog in our neighborhood.
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Yeah.
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Well, actually, yes, you are absolutely correct.
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It is very nearby star.
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And that's why it's pretty bright.
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And because it's so bright, it can be absorbed with pretty
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small telescopes and study in more details than others.
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And so that's that's why a lot of efforts were taken.
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And still people observe the star a monitor, because it's
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like if you look at a person again, I like to compare people
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the human life with the stellar life, because when you look
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at a person just at one time moment, you can find it angry
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or extremely quiet or in the state of depression.
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Right.
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So it's the same thing happen to the star.
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So we need to know what is the typical state of the star
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is that called background level.
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And then sometimes those stars flare, they eject a lot of
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energy out of it called self flares.
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So we need to know how frequently what is going on.
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Okay.
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So if we can go through the findings from your research,
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what exactly did you find?
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What are the main results?
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Yeah.
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So the study of the young stars like a young son, I call
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it is going on for maybe 1015 years.
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People already started to look at it.
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And I published the paper back to 2016.
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Basically, studying starts, like, up one city doing the three
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national modeling.
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The point is that so now we're fortunate that we have a sun
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nearby. Right.
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Our son, the star like, G type star, and it's only about
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93 million mile away from us.
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So we can resolve structures as small as about 3 miles, 25
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miles. All imagine, believe it or not.
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Yeah.
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And so by having so many detailed observations, we can apply
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and develop and apply sophisticated models, physics based,
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three dimensional, multi dimensional models, and then test
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them. Because, for instance, if we predict the stellar wind
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or predict certain signatures of a star, we can measure it,
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right? Because it's so close to us.
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The Earth is only at one aseremic unit away.
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We cannot do it for any star.
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But so we tested they calibrated those sophisticated models
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for our son.
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And the question that I ask myself, I said, okay, because
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I'm a Helio physicist, not only astrophysicist and astrobiologist.
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So the important thing for me and the sun is my favorite
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star, believe it or not.
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And I said, well, those models are pretty satisfactory.
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And to explain the most of the signature.
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So our sun at different epics.
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So can we apply that?
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What do I need?
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What kind of data do I need to input?
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And you would imagine that if you have a model model has
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an input and then produces output and the output.
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Is that something that you test, something that you you cannot
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measure and what we cannot measure for a couple on a let's
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say you cannot measure the stellar wind, which is the Chinese
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flow of particles outflow from the star called stellar wind.
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It cannot be so far observed directly.
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So therefore, we need to somehow predict because it's very,
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very important for our Earth.
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And then this extreme UV mission is also important for the
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Earth atmosphere, because there's the ionizing factor of
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the atmosphere and my belt.
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Ron, we can talk about exactly what I mean, but that can
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create detrimental conditions for us here on Earth.
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But if I cannot measure at only model right.
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But in order to model correctly, I need the right input.
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So that's the point.
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I started to think what kind of input solar physicist we
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basically use to characterize our sun.
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And I said, okay, so we need to make the observations of
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this specific spectral line of this finger points of lines
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forming that not very far from the surface of the sun and
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not very close.
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But at some level that characterizes that, we can specify
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the energy available that can propagate upward and create
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outermost layer Cal Corona.
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The Corona is the one important arena of all those interesting
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events. Explore events that occur in the life of our son
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and in the life for young sons.
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So called still flares.
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And we need to correctly characterize it before people are
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tasting. Okay, so let's assume that the Coron is already
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there. And let's get some parameters and then predict the
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sell win because telwin transitions from Corona out.
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So I asked my myself, and that's what I did also 2016.
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But in this study, my team asked a little bit, basically
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one step up, specifically asking a question, well, we we're
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guessing assuming the density and temperature a magnetic
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field, and the Corona is such a surge for as an input.
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But can I create the Corona in the first place from the layers?
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Bill, it's called chromosphere.
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And I said, that's exactly what all physicists do.
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They're trying to first recreate the Corona and then calculate
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Xray mission from the Corona, because that's the source of
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a mission and then the source of the wind.
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So, yeah.
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And I realized that, well, they use so called Iris, the telescope
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that measures the spectral signatures that are so vital to
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determine the energy flow at the lower level.
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I said, well, we have Hubble Space Telescope, the Hubble
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Space Telescope.
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It's absolutely fantastic instrument that's already there
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for the last 30 years, providing revolutionary information
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about different kinds of objects, including those young sons.
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And I looked at the data because way back, I was a member
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of the Hubble Special Stop team studying the old stacks.
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And I realized that, wow.
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Yeah.
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I have exactly the same fingerprint that Solaris is used
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from Hubble data, and they have the same quality.
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So, yeah, because the telescope is pretty big and the star
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is pretty close.
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And then I said, well, yeah, I can use that.
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And then I realized that we can also measure magnetic field,
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the magnetic field of a star.
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It's another important parameter because it drives everything
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else. It's the energy source of all those exclusive events
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of the Corona in the first place.
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And I started to collaborate with the Europeans, specifically
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with the University of Vietnam, scientists from University
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of Vienna who have a great experience and observing facilities
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to observe magnetic field and in contract them.
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So they supply the magnetic field for the star at different
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epics. Okay.
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Because the magnetic field, by itself changes is like your
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blood pressure may change from time to time.
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So that's why you had this very specific about the star at
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the given epic.
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Yeah.
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So this applied me the magnetic field and had the data from
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Hubble and synthesize them in one impose to feed the model
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and then to do calculations that we basically reported the
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results of which we reported now paper.
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Okay.
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I thank you so much for this very interesting lecture, for
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your answers and for giving us a very comprehensive view
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of all your study.
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Once again, thank you so much for your participation.
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It was a pleasure to host you on our event.
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Thank you.
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And good luck with you further research.
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Thank you.
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Thank you so much for me.
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Bye bye.
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Bye bye.
Comments
Space U
Sat, Aug 28, 2021 6:00 pm
HIDE INFO
Space U
Explore the infinite - the beauty of the great unknown with renowned Space Enthusiast Tomasz Nowakowski, who has combined his lifelong passion for exploring the Universe with his academic profession. Join Tomasz and his many featured guests as they share their perspectives & possibilities of Space.
Welcome to
Space U
Explore the infinite - the beauty of the great unknown with renowned Space Enthusiast Tomasz Nowakowski, who has combined his lifelong passion for exploring the Universe with his academic profession. Join Tomasz and his many featured guests as they share their perspectives & possibilities of Space.
Brigitte Knapmeyer-Endrun is a geophysicist and currently serves as the Head of the Seismological Observatory at Bensberg, Institute of Geology and Mineralogy at the University of Cologne, Germany. Her research interests include: planetary seismology (Moon, Mars), crustal and upper mantle structure of the Earth – imaging with receiver functions, surface waves, ambient noise, and array seismology.
Michael Janssen is a Postdoctoral Researcher at Max Planck Institute for Radio Astronomy (MPIfRA) in Bonn, Germany. He obtained his PhD at Radboud University Nijmegen, The Netherlands. His recent research focuses on calibrating and utilizing millimeter very long baseline interferometry (VLBI) observations.
Mehmet S. Tosun is the Barbara Smith Campbell Distinguished Professor at the University of Nevada, Reno (UNR). He is also a Professor of Economics and the Director of International Programs in the College of Business. His research interests and expertise include public finance (particularly tax policy), regional economics, and economics of population and demography.
Christopher Prior is an Addison-Wheeler fellow in the Mathematical sciences department at Durham University. His general interests lie in mathematical modelling and the mathematical issues on the borderline between geometry and topology. He has a particular interest in physical systems for which the conservation of topology of inter-twined bundles or tubular structures is a key consideration.
Hora Mishra is a Ph.D. student at the University of Oklahoma, in the Homer L. Dodge Department of Physics and Astronomy. She is interested in the extra-galactic universe - active galactic nuclei, blazars, galaxy clusters, and the large-scale structure. Hora is also the President of Lunar Sooners, an astronomy outreach organization at the University of Oklahoma.
David Cantillo is an undergraduate student at the Department of Geosciences of the University of Arizona (UArizona) and the president of the UArizona Astronomy Club. He is majoring in geology and minoring in planetary science and math.
Hai-Bo Yu is an associate professor of physics and astronomy at the University of California, Riverside. His main research fields are: theoretical particle physics and astrophysics.
Miguel Montargès defended his PhD in 2014 at the Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA) of the Paris Observatory (France). He then moved for a first post-doc to IRAM France (Grenoble), where I worked on the operations and commissioning of the NOEMA interferometer in the Alps. In 2020, he moved back to LESIA.
Dr. Konstantin Getman received an honor master's degree in astronomy at Moscow State University in 1994 and his Ph.D. degree in physics and mathematics at Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radiowave Propagation of the Russian Academy of Sciences in 1999. Since 2001, he has been at the Pennsylvania State University where he is currently a research professor. His research is focused on star formation and stellar activity.
Diana Dragomir is an assistant professor at the Department of Physics and Astronomy of the University of New Mexico. Her research focuses on the demographics and atmospheres of exoplanets smaller than Neptune. She is particularly interested in super-Earths and sub-Neptunes, planets with radii between those of the Earth and Neptune.
Daniel Wang is a Professor of Astronomy at University of Massachusetts Amherst. His research is focused on understanding the flows of the matter/energy in and around galaxies, or their
Ignacio Negueruela is a professor of astronomy at the Department of Applied Physics of the University of Alicante, Spain. His research is connected with different aspects of massive star formation and evolution, with special focus on the properties of high-mass binary systems - in particular, massive X-ray binaries - and very young open clusters.
Charlotte Olsen is a doctoral student in the Department of Physics and Astronomy in the School of Arts and Sciences at Rutgers University–New Brunswick. In the summer of 2016, Charlotte was granted an internship at NASA Goddard Space Flight Center to study enhanced star formation in interacting galaxies. In general, she studies how galaxies evolve by way of how they form stars.
Dr. Jay D. Goguen majored in Physics at U. Massachusetts and received his B.S. in 1974. He completed his Ph.D in Astronomy at Cornell U. in 1981. From 1982 to 1985, he completed a post-doc at the University of Hawaii. He is a Senior Research Scientist at the Space Science Institute and his primary research interests include quantitative interpretation of photometry, polarimetry and spectroscopy of solar system objects.
Dr. Savas Ceylan is a researcher at the Institute of Geophysics of the Swiss Federal Institute of Technology (ETH) in Zürich, Switzerland. He is part of the Marsquake Service - the InSight ground team that detects marsquakes and curates the planet's seismicity catalog.
Sarang Mani is a Brown University senior and the project manager of the Brown Space Engineering (BSE) student group. He is originally from Bangalore, India, and have lived all over India and also in Berlin, Germany. At Brown, he is mostly involved in things related to space and sustainable finance.
Ziggy Pleunis is a postdoctoral researcher at the McGill Space Institute of the McGill University in Montreal, Canada. He studies fast radio bursts (FRBs) and pulsars using observations with radio telescopes and (sometimes) the Fermi gamma-ray space telescope. Ziggy is a member of the CHIME/FRB Collaboration and he wrote a PhD thesis on the detection and morphology of FRBs with the CHIME telescope.
Javier Trujillo Bueno has a doctorate in Physics from the University of Göttingen (Germany) and is a Research Professor of the Spanish Higher Council for Scientific Research (CSIC), destined to the Institute of Astrophysics of the Canary Islands (IAC). He has extensive experience in the field of solar physics, and specifically in solar magnetism.
Daniel Stern is a research scientist at NASA's Jet Propulsion Laboratory (JPL). He is a project scientist for the Nuclear Spectroscopic Telescope Array (NuSTAR) mission and the Deputy Principal Investigator of the NASA-Funded Euclid Science Team. His main research interests are identifying and studying galaxies and galaxy clusters at high redshift, as well as understanding the cosmic history of black hole formation and activity.
William Rapin is a CNRS Research Scientist at IRAP (Research Institute in Astrophysics and Planetology) in Toulouse, France, collaborating with IMPMC (Institute of Mineralogy, Materials Physics and Cosmochemistry) in Paris, France. His research investigates the surface geochemistry of planets to improve our understanding of their origin, evolution, and habitability.
Óskar Bjarki Helgason is a PhD student at the Department of Microtechnology and Nanoscience, Photonics Laboratory of the Chalmers University of Technology in Sweden. His research is focused on the dynamics and design of microresonator frequency combs.
Anders Johansen is a Professor of Astronomy at Lund Observatory at Lund University in Sweden, working there on topics such as planet formation, accretion discs, turbulence, and supercomputing. He obtained his PhD in 2007 at Max Planck Institute for Astronomy in Heidelberg. After that he spent a bit more than two years as a postdoc at Leiden Observatory. Anders obtained his docent degree from Lund University in 2013.
Professor Giorgi Melikidze Ph.D. is the Deputy Rector for Science and International Cooperation at the University of Zielona Góra (Uniwesytet Zielnogórski), Poland. He was the Deputy Director of the Abastumani Astrophysical Observatory from 1992 to 1996.
Roger Wiens is a planetary scientist and Fellow at Los Alamos National Laboratory (LANL). He is the principal investigator for both the ChemCam instrument aboard the Mars Curiosity rover and the SuperCam instrument, aboard the Perseverance rover.
Michael H. Hecht is a research scientist, the associate director for research management at the Massachusetts Institute of Technology's Haystack Observatory, and the deputy project director for the Event Horizon Telescope. He served as the lead scientist for the Microscopy, Electrochemistry, and Conductivity Analyzer instrument on the Phoenix Mars lander, and as the principal investigator for the Mars Oxygen ISRU Experiment (MOXIE) instrument.
Jack Burns is a Professor in the Department of Astrophysical and Planetary Sciences at the University of Colorado (CU) Boulder, and is Vice President Emeritus for Academic Affairs and Research for the CU System.
Prasanta Kumar Nayak is an astronomer at the Tata Institute of Fundamental Research (TIFR) in Mumbai, India, and Indian Institute of Astrophysics in Bangalore, India. His main research fields are: star clusters and stellar evolution.
Tadeja Veršič is a member of the Vienna International School of Earth and Space Sciences (VISESS). In her PhD thesis at the University of Vienna, she aims to unravel the mystery of dark matter.
Clara Sousa-Silva serves as director of the Student Research Mentoring Program at the Center for Astrophysics | Harvard & Smithsonian. She is a quantum astrochemist and her research focuses on exoplanet spectroscopy and its applications to astrobiology.
Dan Milisavljevic is an Assistant Professor in the Department of Physics and Astronomy
at Purdue University. Milisavljevic specializes in observational work in supernovae and supernova remnants. He is also known for aiding in the discovery of Uranus's moons Ferdinand, Trinculo, and Francisco; and Neptune's moons Halimede, Sao, Laomedeia and Neso.
Jay M. Pasachoff is the Field Memorial Professor of Astronomy; Director of Hopkins Observatory; and Chair of the Astronomy Department at Williams College. He is the author of many textbooks and tradebooks in astronomy, physics, mathematics, and other sciences.
Gary Krenz currently serves as Director for Post-Bicentennial Planning at the University of Michigan’s (U-M's) Bentley Historical Library. He is also a member of the U-M Detroit Observatory team. Previously, he was Executive Director of the U-M Bicentennial, which was celebrated in 2017.
Once every 20 years, the two largest planets in our solar system—Jupiter and Saturn—appear to meet in Earth’s skies. This “Great Conjunction” happens next on December 21, 2020, but this time, Jupiter and Saturn will be closer than they’ve been in nearly 400 years. December 21 also happens to be the night of the winter solstice, and the peak of the Ursid meteor shower.
Kevin Schindler is the historian at Lowell Observatory in Flagstaff, Arizona, where he has worked for more than two decades. Schindler is an active member of the Flagstaff history and science communities, having served as Sheriff of the Flagstaff Corral of Westerners International for 13 years and on the board of the Flagstaff Festival of Science for a similar length of time.
Paul Delaney is a senior lecturer and professor of physics and astronomy at York University in Toronto. His primary research interest is variable stars. As the director of the York University Observatory, Paul promotes the use of our telescopes for research, education, and outreach, the last including small-group tours and on-line public viewing.
Dean has been the Astronomer for the Cincinnati Observatory since 2000. He is a renowned educator, author, national popularizer of astronomy and an expert in observational astronomy. Dean was the co-host of the PBS program Star Gazers.
David Reneke, one of Australia's most well known and respected amateur astronomers and lecturers, has over 50 years experience in astronomy with links to some of the world's leading astronomical institutions. David is the Editor for Australia's Astro-Space News Magazine, past news editor of Sky & Space Magazine and is now affiliated as a writer and publicist for the prestigious Australasian Science magazine.
Róbert Szabó is an astronomer and the director of the Konkoly Observatory in Budapest, Hungary. His main research field is studying stellar pulsations, i.e. the voices of the stars. In 2018 he won a prestigious Lendület grant from the Hungarian Academy of Sciences.
David Reitze is the executive director of the Laser Interferometer Gravitational-wave Observatory (LIGO) and a research professor of physics at Caltech. As the executive director of LIGO since 2011, Reitze led the team that made the first direct detection of gravitational waves—ripples in space and time.
Prior to joining the Breakthrough Prize Foundation, Dr. Worden was Director of NASA’s Ames Research Center. He was research professor of astronomy at the University of Arizona. He is a recognized expert on space and science issues and has been a leader in building partnerships between governments and the private sector internationally.
Seth Shostak is the Senior Astronomer at the SETI Institute in Mountain View, California. He began his career with a degree in physics from Princeton University and a PhD in astronomy from the California Institute of Technology. In 2010, he was elected as a Fellow of the Committee for Skeptical Inquiry and is the Chair of the International Academy of Astronautics SETI Permanent Study Group.
Expert in strategic creations with many years of communication experience, also international, in B2B and new technologies. Specializes, among the others, in corporate communication, reputation management, media relations and managing event organisation. CEO of the European Space Foundation and the initiator of the European Rover Challenge, the biggest space and robotics event on the European continent.
Sharad Bhaskaran is a space industry veteran. He serves as the head of Astrobotic’s Planetary Lander Department and is leading Astrobotic Mission 1. Prior to Astrobotic, he has 25 years of experience at Lockheed Martin successfully developing and managing payload projects for spaceflight applications, and he led negotiation and testing of more than 30 U.S. payloads onto the Mir Space Station.
Randa holds a BA in Psychology and an MA in African Languages from Duquesne University, with doctoral work in Communications at Humboldt Universitaet, Berlin. Other duties include coordinating federal space launch-licensing. She is also a professor at the University of Phoenix.
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