What are supermassive black holes?
It is literally supermassive.
Black holes are formed when a star dies out. It shrinks to it Schwarzschild radius which is really very small.
For example, if you want to make earth a black hole, (Don't ever try this!) you have to compress it to the size of ping pong ball. That's Earth's Schwarzschild radius.
Supermassive black holes are huge in size. We know even a small black has a very intense gravity. Supermassive black hole have unexplainable-ly intense gravity covering a very large radius of attraction.
They are mainly located in the centre of a galxy. In our Milky Way's case, it is named as Sagittarius A*.
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Supermassive black holes, which are found at the centers of most galaxies, including our own Milky Way, are incredibly dense regions in space with masses millions to billions of times that of the Sun and gravitational forces so strong that nothing can escape from them, not even light.
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Supermassive black holes are extremely dense regions in space with masses that can range from hundreds of thousands to billions of times that of the Sun. They are thought to exist at the centers of most galaxies, including our Milky Way, and are characterized by their intense gravitational pull from which not even light can escape, giving them their name "black holes."
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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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