fnxtr
Posts: 3504
Joined: June 2006
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| Quote (Henry J @ Aug. 18 2010,11:18) |
Wrong kind of star for that, iirc. Yellow dwarfs turn into red giants (probably swallowing nearby planets in the process) when their hydrogen supply runs low, and that's expected to be a few billion years from now.
In the mean time, though, I've read that Andromeda is gonna collide with the Milky Way somewhat earlier than the red giant thing, but I don't know what that will do to habitability here. |
Reeeally?
Andromeda is 2 million light-years away. If the sun gets all swollen in about 5 billion years (the most common estimate I've read), Andromeda would have to be racing towards us at what, > c x .0004? 120Km/sec? I guess that's reasonable.
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"[A] book said there were 5 trillion witnesses. Who am I supposed to believe, 5 trillion witnesses or you? That shit's, like, ironclad. " -- stevestory
"Wow, you must be retarded. I said that CO2 does not trap heat. If it did then it would not cool down at night." Joe G
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