How do clusters of stars form?
A bunch o' stars being born from the same molecular cloud(s). {Relatively}
Well, often in star clusters, we find that most of the stars are along the same stretch of their lives, and this means that they were most likely born at the same time, and possibly from the same place.
Star clusters form from a huge star forming nebula, or multiple in close proximity. The stars form normally, and their gravity keeps them together for a while. In open clusters, they stray quickly, but in Globular, they stay together longer.
Interesting fact: The Subaru Logo is based of the Pleiades open star cluster in Taurus.
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A bunch o' stars being born from the same molecular cloud(s). {Relatively}
Well, often in star clusters, we find that most of the stars are along the same stretch of their lives, and this means that they were most likely born at the same time, and possibly from the same place.
Star clusters form from a huge star forming nebula, or multiple in close proximity. The stars form normally, and their gravity keeps them together for a while. In open clusters, they stray quickly, but in Globular, they stay together longer.
Interesting fact: The Subaru Logo is based of the Pleiades open star cluster in Taurus.
By signing up, you agree to our Terms of Service and Privacy Policy
Massive gas and dust clouds called molecular clouds are the starting point from which star clusters are formed. The gas and dust collapse under the force of gravity to form dense regions called protostars, which continue to take on mass from the surrounding material until they reach a critical point where nuclear fusion ignites in their cores to become true stars. Eventually, the newly formed stars may stay bound together by gravitational attraction, forming star clusters of different sizes and compositions.
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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.

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