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Question
Which of the following celestial bodies can emit light on their own?
Which of the following celestial bodies can emit light on their own?
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Solution
The correct options are
A Sun
C Alpha Centauri
D Thiruvathira
Stars can emit light on their own. They emit light through a process called nuclear fusion. Nuclear fusion is a process where two or more nuclei combine to form an element with a higher atomic number. Fusion is the reverse process of nuclear fission. Fusion reactions power the stars releasing a huge amount of energy. In the below options except Venus, all are stars.
A
Sun
C
Alpha Centauri
D
Thiruvathira
Stars can emit light on their own. They emit light through a process called nuclear fusion. Nuclear fusion is a process where two or more nuclei combine to form an element with a higher atomic number. Fusion is the reverse process of nuclear fission. Fusion reactions power the stars releasing a huge amount of energy. In the below options except Venus, all are stars.
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