Featured Image: Cassiopeia A
298 views · Published 24 February 2008 · 1:09 · Indexed 20 September 2026
Channel: Chandra X-ray Observatory · 2008 · Science & Technology
Cassiopeia A is the 300-year-old remnant created by the supernova explosion of a massive star. Each Great Observatory image highlights different characteristics of the remnant.
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