The star exploded about 10,000 years ago, making the supernova remnant Cassiopeia A which is about 11,000 lightyears away from Earth and located in the Cassiopeia constellation. Now, the new images of ...
The Chandra X-ray Observatory has re-imaged a familiar scene of a relatively nearby exploded star, revealing new details of the chaotic aftermath. The supernova remnant, as it is called, is named ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback