bolometricmagnitude

例句：

1. 1.The star's bolometric magnitude is measured in units of light.
   这颗星的光度是通过光的单位来衡量的。
2. 2.The planet's bolometric magnitude is a key indicator of its distance from the sun.
   这颗行星的光度是其距离太阳的关键指标。
3. 3. The bolometric magnitude of the galaxy is used to estimate its age and size.
   这个星系的亮度是用来估计它的年龄和大小的。