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.

不像大质量星，同太阳一般大星，死状就相对优雅得多。它们非爆发性程大约需要一万年时间，逐步弹射出其体壳层。