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So if our sun were replaced by Betelgeuse, Betelgeuse would engulf all the inner planets. That's huge. It's hard to fathom a star that big.
by grovegames 9y ago
So if our sun were replaced by Betelgeuse, Betelgeuse would engulf all the inner planets. That's huge. It's hard to fathom a star that big.
- finnh 9y agoOur star is going to do that in 5 billion years - transform into a red giant & engulf Mercury, Venus, and probably Earth. https://en.wikipedia.org/wiki/Sun#After_core_hydrogen_exhaustion https://en.wikipedia.org/wiki/Sun#After_core_hydrogen_exhaus...