red dwarf star造句

1、This allowed the host star to be identified as a red dwarf star located 19,000 light-years away.
这一发现终于确定了主要恒星——发出光线的那个恒星——的身份，就是红矮星，距离我们19000光年。

2、Gliese 581 is a red dwarf star 20.5 light-years from Earth.
格利泽581是一颗红矮星距离地球20.5光年。

3、The planet orbits a dim red dwarf star 20 light years from Earth called Gliese 581.
这颗行星所绕行的是一颗暗淡的红矮星，距地球20光年远，名为Gliese 581。