What is the life cycle of a star from birth to death?
the smaller the starting mass of a star is, the longer it will live
In the clouds of dust and gases, nebula. Hydrogen atoms forms a spinning cloud of gas and eventually pulls more hydrogen gas to the spinning cloud. As it spins, hydrogen atoms start to collide with each other and hydrogen gas heats up. When this reaches
Once a protostar forms its life cycle is fixed.
Medium-sized star
if a star started with a small mass
if a star is a low mass red giant
if a star is super massive
if a star is massive red giant
Remember that after a supernova, another nebula will form. Neutron stars and blackholes are the core of a star.
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A star like the Sun eventually runs out of hydrogen fuel and expands into a red giant. For lower-mass stars, this phase ends with the shedding of its outer layers, forming a planetary nebula, while the core becomes a white dwarf. For higher-mass stars, their lives end in explosive supernova events, leaving behind either a neutron star or a black hole, depending on their initial mass. A star is formed as a protostar from a dense molecular cloud, and evolves into a main sequence star where nuclear fusion of hydrogen into helium occurs in its core.
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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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