同大

This appears big in contrast with that.

这个同那个对比起来显得大。

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.

不像大质量的恒星，同太阳一般大小的恒星，死状就相对优雅得多。它们的非爆发性程大约需要一万年的时间，逐步弹射出外部气体壳层。