Question

what is a star death​

Answer 1

Explanation:

Star death. ... When a star like the Sun has burned all of its hydrogen fuel, it expands to become a red giant. This may be millions of kilometres across - big enough to swallow the planets Mercury and Venus. After puffing off its outer layers, the star collapses to form a very dense white dwarf.

Answer 2

Answer:

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what is a star death ?

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Most stars take millions of years to die. When a star like the Sun has burned all of its hydrogen fuel, it expands to become a red giant. ... After puffing off its outer layers, the star collapses to form a very dense white dwarf