Stars

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Last updated 11:50 PM on 8/25/26
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6 Terms

1
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What is a star?

A huge, hot ball of gas/plasma held together by gravity.

2
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What makes stars shine?

Nuclear fusion.

3
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What happens during hydrogen fusion?

 Hydrogen nuclei combine to form helium and release energy.

4
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What is the main factor that determines a star’s life cycle?

Its mass.

5
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Which stars live longer: massive or low-mass stars?

 Low-mass stars.

6
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Why do massive stars have shorter lives?

They use their fuel much faster.