View Full Version : A Lurking Companion Star Explains Enigmatic Supernova

2014-Sep-11, 02:30 PM
Massive stars end their lives dramatically. Once the nuclear fuel deep within their cores is spent, there’s no longer any outward pressure to push against gravity, and the star collapses. But while the inner layers fall in to form a black hole or a neutron star, the outer layers fall faster, hitting the inner layers, […]

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