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Sol, they are in the void. So, in a sense, they have already arrived. It's just a matter of probability now. That is to say, how long will it be before they hit anything that is non-void? What if they meet nothing solid for as long as eternity lasts - maybe . . . just maybe . . . all they'll ever do is one long figure-eight? Or, do they both fall with certainty into black holes, like in the movie?
Those two little pinpoints of metal will never collide with anything. There's too much empty space out there, unless you count two or three hydrogen atoms per cubic meter.
It's generally understood that the whole Andromeda galaxy could pass right through the Milky Way galaxy and not hit any stars. That's actually supposed to happen in four billion years, and then they're supposed to swirl around each other and unite as a new, bigger galaxy. Then they can eliminate redundant services and supposedly cut taxes a little.
https://en.wikipedia.org/wiki/Andromeda%E2%80%93Milky_Way_collision
But I think this illustrates that the galaxy is mostly empty space.
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Posted: |
Sep 22, 2018 - 9:26 AM
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By: |
Solium
(Member)
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Sol, they are in the void. So, in a sense, they have already arrived. It's just a matter of probability now. That is to say, how long will it be before they hit anything that is non-void? What if they meet nothing solid for as long as eternity lasts - maybe . . . just maybe . . . all they'll ever do is one long figure-eight? Or, do they both fall with certainty into black holes, like in the movie?
Those two little pinpoints of metal will never collide with anything. There's too much empty space out there, unless you count two or three hydrogen atoms per cubic meter.
It's generally understood that the whole Andromeda galaxy could pass right through the Milky Way galaxy and not hit any stars. That's actually supposed to happen in four billion years, and then they're supposed to swirl around each other and unite as a new, bigger galaxy. Then they can eliminate redundant services and supposedly cut taxes a little.
https://en.wikipedia.org/wiki/Andromeda%E2%80%93Milky_Way_collision
But I think this illustrates that the galaxy is mostly empty space.
And when Andromeda "absorbs" the Milky Way will become the melting pot of the universe. Just hope our neighbors aren't loud, messy and lazy.
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They will always be closer to some lump of mass or other, even if they don't slam into something made if mass. After all, they can't gain escape velocity from the Universe?
They don't even have escape velocity to get out of the Milky Way. They're in nearly the same orbit as our solar system is, around the center of the galaxy. That's not going to change.
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