A cloud of glowing gas that is the remnant of a supergiant star that was seen to explode in 1054. It's called the crab because its tendrils of gas, which span several light-years, resemble a crab. It is one of the most famous objects in the galaxy.
StarDate depends on the support of listeners and astronomy enthusiasts like you. Please consider making a tax-deductible contribution to StarDate.
For more skywatching tips, astronomy news, and much more, read StarDate magazine.
Keep up with everything in the sky with a subscription to our daily radio program, hosted by Sandy Wood.
StarDate is brought to you in part through the generous support of our underwriters. Interested in underwriting? Let us know.
©1995-2012 The University of Texas McDonald Observatory
