ESS
Grade-9
Easy
Question
After full use of hydrogen the red giant becomes________.
- Cold
- Hot
- Warm
- Dull
Hint:
After full use of hydrogen, the red giant becomes cooler.
The correct answer is: Cold
- The red giant stars fuse hydrogen to form helium.
- The hydrogen burns continuously for years and becomes less luminous.
- As the hydrogen gets consumed, the stars become cooler.
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