The Andromeda-Milky Way Collision | Space Time

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The Andromeda galaxy is heading straight toward our own Milky Way. The two galaxies will inevitably collide. Will that be the very last night sky our solar system witnesses?

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Previous Episode: Scientists Have Detected the First Stars https://www.youtube.com/watch?v=-R9F2_D76TE

See that fuzzy blob on the sky? The one just left of the Milky Way center in the constellation of Andromeda. That’s M31 – the Andromeda galaxy. It’s two and a half million light years away and host to a trillion stars. It has a beautiful spiral structure spanning its gently rotating disk 220 thousand light years in diameter, and a central bulge that hides a giant black hole that contains the mass of well over a hundred million Suns. Andromeda is also racing towards our galaxy at 110 km/s.

Written and Hosted by Matt O'Dowd Produced by Rusty Ward Graphics by Grayson Blackmon Assistant Editing and Sound Design by Mike Petrow and Linda Huang Made by Kornhaber Brown (www.kornhaberbrown.com)

Comments Matt responded to include:

The Exoplanets Channel https://www.youtube.com/watch?v=-R9F2_D76TE&lc=UgzYOYV-1GsJrSwlmZ14AaABAg

Patrick Horgan https://www.youtube.com/watch?v=-R9F2_D76TE&lc=UgxB8ZoEtScJ4vFBSo94AaABAg

And Springville High School’s AP Physics Class!

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