How can a nebula can become unstable?
Asher CohenA supernova nearby can make nebula unstable
a massive star passing through the surrounding areas.
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Ivy AllenGravitational forces have the power to make a nebula unstable, which causes regions with higher densities to collapse and eventually form protostars or star clusters.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- During the late stages of a star's life, what causes the star to expand into a red giant/supergiant, then explode into a nebula or supernova?
- What would happen if a supernova exploded in space? What would it do to us?
- What are the characteristics of a red giant star?
- What would happen if someone entered a black hole?
- Suppose we observe a Cepheid variable in a distant galaxy that brightens and dims with a regular period of about 10 days. What can we learn from this observation?
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