Multi-band image of the remnant of Tycho’s Supernova, composed from images taken with the 3.5 m telescope of Calar Alto and the camera Omega 2000 (infrared), the Spitzer space telescope (infrared) and the Chandra space telescope (X-rays). (Credit: Image courtesy of Calar Alto Observatory)From Science Daily:
ScienceDaily (Dec. 4, 2008) — Astronomers have used light echoes as a time machine to unearth secrets of one of the most influential events in the history of astronomy –a stellar explosion witnessed on Earth more than 400 years ago.…

December 4th, 2008
Tushar Mathur
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