Distant Stars Flashcards
1
Q
What does radiation from the stars tell us?
A
What we know about them
2
Q
What types of radiation do stars produce?
A
Visible light, ultraviolet and infrared
3
Q
What is light pollution?
A
When electric lights on Earth make it difficult to see the stars.
4
Q
What height does the Hubble Space Tellescope orbit at?
A
600km
5
Q
Why is this?
A
So it’s not affected by this or other atmospheric conditions