The Hertzsprung-Russell Diagram (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What spectral type sequence runs from hottest to coolest stars on the H-R diagram?
What spectral type sequence runs from hottest to coolest stars on the H-R diagram?
O B A F G K M
On the absolute magnitude scale, which value represents a brighter star?
On the absolute magnitude scale, which value represents a brighter star?
What nuclear process defines main sequence stars?
What nuclear process defines main sequence stars?
Fusing hydrogen into helium
Which color stars are the hottest according to the H-R diagram?
Which color stars are the hottest according to the H-R diagram?
Blue-white
Why are red giants extremely luminous despite cool surface temperatures?
Why are red giants extremely luminous despite cool surface temperatures?
They have enormous surface area
Where on the H-R diagram are white dwarfs located?
Where on the H-R diagram are white dwarfs located?
Lower left
How does a star's mass relate to its time on the main sequence?
How does a star's mass relate to its time on the main sequence?
More massive stars spend less time
What happens to low/medium mass stars after the red giant phase?
What happens to low/medium mass stars after the red giant phase?
They become white dwarfs
What distinguishes blue giants from main sequence stars?
What distinguishes blue giants from main sequence stars?
They fuse heavier elements
Why do brightest stars give a biased sample compared to closest stars?
Why do brightest stars give a biased sample compared to closest stars?
Luminous stars seen from great distances