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White Dwarf then Black Dwarf=Dead Star
It will expand and become a red giant
It will expand and become a red giant
Evaporation.
red giant
red giant
when it bloats to a red giant and swallows the inner four planets in 2 billion years. if that doesn't destroy it then a planetary nebula will
it is fusion of hydrogen into helium. (like our sun) if it is a red giant (the next stage of our suns life) it is burning helium into denser things.
The Sun is expected to gradually get bigger and hotter. In about half a billion or a billion years, it will get too hot for any life to survive on Earth, even prokaryotes (bacteria and archibacteria).
For a star like ours, the black dwarf stage For an immensely massive star, a back hole.
For a star like ours, the black dwarf stage For an immensely massive star, a back hole.
the radiation is the suns heat