Question

Uppose that two stars are identical in every way - for example, same distance, same mass, same temperature, same chemical composition, and same speed relative to earth - except that one star rotates faster than the other. spectroscopically, how could you tell the stars apart?

Answer 1

The faster rotating star has wider or broader spectral lines than the slower rotating star.

Step-by-step explanation:

Answer 2

We could tell the stars apart by : The faster rotating star has wider or broader spectral lines than the slower rotating star.