True or false: the sun is the closest star to Earth *

Question

• True
False
What is absolute magnitude? *
The size of a star.
• The measure of the amount of light given off by a star.
• The measure of how bright a star appears from Earth
• The measure of the actual brightness of a star

Answer 1

1. True: The Sun is indeed the closest star to Earth.

2. Regarding absolute magnitude:

   • The measure of the actual brightness of a star.
     Absolute magnitude refers to the intrinsic brightness of a star, represented as if it were at a standard distance of 10 parsecs from Earth.