前身恒星很容易找到，因为它是这个宿主星系中最亮的恒星之一。

The progenitor was comparatively easy to find because it was one of the brightest stars in the host galaxy.

youdao

前身恒星很容易找到，因为它是这个宿主星系中最亮的恒星之一。

The progenitor was comparatively easy to find because it was one of the brightest stars in the host galaxy.

youdao