when we collide
when we collide-
Our own Milky Way 's black hole could be in for a similar fate when we collide with our neighbor , the Andromeda Galaxy .
当我们的银河系黑洞和邻居仙女座星系相碰撞时，可能会发生同样的命运。
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In fact , that same double black hole future might await the Milky Way when we collide with our neighboring galaxy , Andromeda , in a few billion years .
事实上，几百万年以后，当地球和仙女星系碰撞时，具有双黑洞的星系会等待银河系。