Star Spectra Flashcards
1
Q
If a star is red what does this mean?
A
It is cool
2
Q
If a star is blue what does this mean?
A
It is hot
3
Q
What do electrons do as the gain or loose energy?
A
They move between shells.
4
Q
What is ionisation?
A
When atoms gain enough enery to be removed from the atom.
