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。
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。
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.
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