Castle of 7 Stars. ♥ GARY TONGE Earth's Sky in 5 billion years when Andromeda closes in on the Milky Way Galaxy as the Collision begins.
The actual size of our nearest galactic neighbor, Andromeda, if it were bright enough to see. We should collide with it in about billion years. Start building your galaxy-collision bunkers now!
Earlier this month, NASA released the "sharpest large composite image ever taken of our galactic next-door neighbor [the Andromeda galaxy]," which is roughly million light years away.