How and why do Stars Seem Different?

Most recent answer: 11/25/2013

Q:
How and why do stars seem different?
- dawn llanos (age 39)
philippines
A:

Hello, Dawn

This is a very interesting question and a lot of professional astronomers make a living studying it.  The main reasons are the composition of the star, its size,  and how old is it.  All parameters enter into the answer.

It's a long complicated subject but there is a very nice Wiki-description that I recommend at:

 

LeeH


(published on 11/25/2013)