Search - User Network
Search - Video
Search - Categories
Search - Contacts
Search - News
Search - News Feeds
Search - Tags

Supernova\'s ghost caught expanding in new video

Loading the player...
by worrg, 10 years ago
0 0
Read more: This new movie of the supernova remnant Cassiopeia A was made by combining Chandra X-ray satellite observations taken in January 2000, February 2002, February 2004 and December 2007. The debris is expanding more slowly than expected, probably because the energy of...