Topic 8 - Classifying Stars Flashcards
1
Q
What does the colour of a star depend on?
A
the visible light it emits
2
Q
what does the amount of visible light of each frequency emitted depend on?
A
surface temperature
3
Q
what are all stars of a similar colour?
A
a similar temperature
4
Q
what light frequency does a cool star emit?
A
more low-frequency light than high-frequency light, so they appear red
5
Q
what light frequency does a hot star emit?
A
more high-frequency light than low-frequency light, so they appear blue
