Will the Sun engulf the earth?
Question asked by: knowitall
The answer is yes, eventually. But not for a few billion years time so no need to worry!
As it runs out of hydrogen, the sun will burn helium getting hotter and turning to a red giant. It will expand growing a lot larger, and may in fact engulf the earth - certainly the inner planets. It may well then become a white dwarf, not being hot enough to burn carbon at a later stage and produce the heavy elements that are distributed in supernovae.
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