How long does the birth of a star take?

Answer 1

It varies.

A star is created when a large amount of hydrogen gathers and the individual hydrogen atoms stick together. Each atom's mass must reach a critical point where the combined mass of all the atoms and gravity triggers a nuclear reaction.

The amount of hydrogen present and its density in relation to the forming star determine a star's size and rate of formation; the higher that number, the faster the star forms and grows.

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Answer 2

Owen Atkinson

A star's formation period can range from millions to billions of years, contingent upon the dimensions and mass of the region where stars are formed.

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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.