同大

This appears big in contrast with that.

这个同那个对比起来显大。

Unlike their more massive counterparts, sunlike stars are thought to die gracefully by ejecting their outer gaseous layers in a nonexplosive process that takes about 10,000 years.

不像大质量恒星，同太阳一般大小恒星，死状就相对多。它们非爆发性程大约需要一万年，逐步弹射出其外部气体壳层。