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Cosmic Bomb Squad: Investigating the Remnants of Stellar Explosions

Wednesday, February 17, 2021

Dan Milisavljevic

Assistant Professor

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.

Cosmic Bomb Squad: Investigating the Remnants of Stellar Explosions - Astronomers are winding back the clock on the expanding remains of a nearby, exploded star. By using NASA's Hubble Space Telescope, they retraced the speedy shrapnel from the blast to calculate a more accurate estimate of the location and time of the stellar detonation. The doomed star left behind an expanding, gaseous corpse, a supernova remnant named 1E 0102.2-7219. The research team, led by John Banovetz and Danny Milisavljevic of Purdue University in West Lafayette, Indiana, measured the velocities of 45 tadpole-shaped, oxygen-rich clumps of ejecta flung by the supernova blast.

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