Sagot :
Answer:
Stars spend most of their lives as main sequence stars.
During its lifetime, the surface temperature and luminosity stays pretty much constant.
Something else could happen in the star birth process.
Something else could happen in the star death process.
The star's mass determines what the temperature and luminosity is during the star's main sequence lifetime.
Explanation:
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Answer:
Apparent Brightness
- Astronomers are careful to distinguish between the luminosity of the stars (the total energy output) and the amount of energy that happens to each our eyes or a telescope
Explanation:
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