The collapsed star is so dense that nothing can escape its gravitational pull, not even light.
坍塌的星是如此的密集以致于没有什么能逃脱它的引力,甚至光也不能。
Most scientists agree a Type 1a supernova occurs when a White Dwarf star — a collapsed remnant of an elderly star — exceeds its weight limit, becomes unstable and explodes.
大多数科学家认为,当白矮星(年老恒星坍缩而成的残骸)超过质量极限,变得不稳定并爆发的时候,会产生Ia型超新星。
After the supernova, the leftover matter could either have collapsed into a black hole or an extremely dense neutron star.
超新星爆发以后,剩余的物质可能塌缩为一个黑洞,也可能形成一颗密度极大的中子星。
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