stsci_2008-22a July 1st, 2008
Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA); Acknowledgment: W. Blair (Johns Hopkins University)
NASA's Hubble Space Telescope has imaged a very thin section of a supernova remnant caused by a stellar explosion that occurred more than 1,000 years ago. The hydrogen gas heated by this fast shock wave emits radiation in visible light. Hence, the optical emission provides astronomers with a detailed "snapshot" of the actual position and geometry of the shock front at any given time. Bright edges within the ribbon correspond to places where the shock wave is seen exactly edge on to our line of sight. SN 1006 has a diameter of nearly 60 light-years, and it is still expanding at roughly 6 million miles per hour. SN 1006 resides within our Milky Way Galaxy.
Provider: Space Telescope Science Institute
Image Source: https://hubblesite.org/contents/news-releases/2008/news-2008-22
Curator: STScI, Baltimore, MD, USA
Image Use Policy: http://hubblesite.org/copyright/
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