Andromeda will be even more impressive in 4.5bn years' time, when it is expected to collide with our own galaxy, the Milky Way.
预计44亿年后，仙女座星系将与银河系相撞，到时候仙女座星系会更加壮观。
Andromeda will be even more impressive in 4.5bn years' time, when it is expected to collide with our own galaxy, the Milky Way.
预计44亿年后，仙女座星系将与银河系相撞，到时候仙女座星系会更加壮观。
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