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What are globular clusters?

Answer 1

Harper Clark

In simple terms, Global clusters is a collection of densely packed stars.

Providing an explanation using points:

They are a group of old stars that are closely clustered together.

The Milky Way contains 150 million clusters.

=>Have millions or even thousands of stars in them.

=> Aids in determining whether a galaxy's center is present or how old the universe is.

=>An example that is visible to the unaided eye is Messier 13.

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Answer 2

Cooper Ann

Some of the oldest stars in the universe can be found in globular clusters, which are tightly bound groups of thousands to millions of stars that orbit galaxies. They are gravitationally bound by each other's mass and are found in the outer regions of galaxies, frequently in a halo surrounding the galactic center.

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Answer from HIX Tutor

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.