Author Question: Which of the following is true about low-mass stars compared to high-mass stars? A) Low-mass ... (Read 45 times)

pragya sharda · **on:** Jul 27, 2018

Which of the following is true about low-mass stars compared to high-mass stars?

A) Low-mass stars are cooler and less luminous than high-mass stars.
B) Low-mass stars are hotter and more luminous than high-mass stars.
C) Low-mass stars are cooler but more luminous than high-mass stars.
D) Low-mass stars are hotter but less luminous than high-mass stars.
E) Low-mass stars have the same temperature and luminosity as high-mass stars.

Question 2

A black hole may be visible because electromagnetic radiation is emitted from a(n) ________ surrounding it, heated up enough to emit X-rays.

Fill in the blank(s) with correct word