7The Milky Way Won’t Live Forever

In about four billion years, the Milky Way will collide with its nearest neighbor, the Andromeda Galaxy.

The two spiral galaxies are currently hurtling toward each other at 250,000 miles an hour. When they do smash into one another, it won’t be as cataclysmic as you might imagine—Earth will likely survive, and very few stars will actually be destroyed. Instead, the newly formed mega-galaxy will offer a night skyscape with a spectacular blend of stars and streamers unlike anything we see today.

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