what is the life cycle of a star
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Life Cycle of a Star. Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine brightly for many years. The exact lifetime of a star depends very much on its size.
Life Cycle of a Star. Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine brightly for many years. The exact lifetime of a star depends very much on its size.
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Answered by
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This is the life cycle of a star-
1. 200 billion km -- Cloud
2. 100 million km -- Proto-star
3. 1 million km -- Main sequence star
4. 1 billion km -- Red giant
5. Unknown size -- Supernova
_____ 15 km
| Neutron star
6. |
|_____50 km
Black hole
1. 200 billion km -- Cloud
2. 100 million km -- Proto-star
3. 1 million km -- Main sequence star
4. 1 billion km -- Red giant
5. Unknown size -- Supernova
_____ 15 km
| Neutron star
6. |
|_____50 km
Black hole
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