Chandra Reveals Secrets of Supernova Cassiopeia A’s Final Moments
New observations from the Chandra X-ray Observatory are shedding light on the final moments of the massive star that caused the supernova known as Cassiopeia A (Cas A). This ancient…
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New observations from the Chandra X-ray Observatory are shedding light on the final moments of the massive star that caused the supernova known as Cassiopeia A (Cas A). This ancient…