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| Description: Cassiopeia A (b) A corresponding X-ray picture of Cassiopeia A taken by Chandra. The opposing jets of silicon, probably guided by powerful magnetic fields, were ejected early in the supernova, before the iron-rich jets were released. Radiation from the supernova that produced this nebula first reached Earth 300 years ago. The explosion occurred about 10,000 ly from here. Picture Stats: Views: 391 Filesize: 202.59kB Height: 900 Width: 902 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18621 |