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• n  a remnant of a supernova detected first in 1054 AD

• Crab Nebula

News & Articles

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• Wired Space Photo of the Day: Crab Nebula Expansion
  This animation shows the expansion of the Crab Nebula between the years of 1999 and 2012. 1999 picture was taken by ESO using the VLT. The more recent picture was taken at the Mount Lemmon SkyCenter using the 0.8m Schulman ...        
  Aug. 1, 2013 - Wired News
• Watch the Crab Nebula Expand Over a 13 Year Period
  The Bad Astronomer writes "A thousand years ago, the light from the explosion of a massive star reached the Earth. We now call this supernova remnant the Crab Nebula, and a new image of the Crab taken by astronomer Adam Block shows the physical expansion of the debris, made obvious in a short video comparing his 2012 observations with some taken in 1999. The outward motion of filaments and knots ...
  Aug. 1, 2013 - Slashdot