Re: The near future
- From: Charles Francis <charles@xxxxxxxxxxxxxxxx>
- Date: Thu, 29 Dec 2005 16:56:52 +0000
Thus spake Hamish <akc@xxxxxxxxxxxxxxx>
>
>"Charles Francis" <charles@xxxxxxxxxxxxxxxx> wrote in message
>YSfFKbTXR$sDFwE$@charlesfrancis.wanadoo.co.uk">news:YSfFKbTXR$sDFwE$@charlesfrancis.wanadoo.co.uk...
>> This from, sci-am, amused me. I hope it will you:
>>
>> None of the six spiral galaxies in the survey showed any after-crash
>> damage, but that doesn't mean that our own galaxy is free and clear.
>> "The Milky Way will indeed undergo a collision in the near future as we
>> are heading toward M31, the Andromeda Nebula," van Dokkum adds. "'Near
>> future' in this case is about four billion years from now though." --
>>
>>
>
>
> Only 4 Billion years? I expect the chancellor is as we speak planning an
>insurance levy to ensure funds are available.
>
>
Of course galaxies are mostly empty space between the stars, so when
they collide very few stars actually hit each other. The Galactic shape
gets knocked about a bit as a larger galaxy forms. The earth could get
by unscathed, except that, of the top of my head, I'm not sure 4
billion years isn't the expected life of the sun - Oz?
Regards
--
Charles Francis
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