Milky Way and Andromeda merger has begun 😱
9 months ago
21
The Andromeda galaxy is currently racing toward our Milky Way at a speed of about 70 miles (113 km) per second. With this in mind, our merger will occur five billion years from now.
Our Milky Way is on a collision course with another spiral galaxy called Andromeda. Today Andromeda is visible as a speck of light in the night sky, but about 5 billion years from now, it will be tangled up with us. Our galaxy’s spiral arms will disappear, and so will our supermassive black hole. Andromeda’s central black hole has the mass of 100 million suns, and it will quickly swallow up our own, which has a comparatively tiny mass of 4 million suns
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