What Really Happens When Galaxies Collide

The Milky Way is on a crash course with the Andromeda galaxy, but what would a galactic collision actually look like?

What Happens When Galaxies Die? - https://youtu.be/wWvJVE5nio4

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Astronomers Predict Titanic Collision: Milky Way vs. Andromeda
https://science.nasa.gov/science-news/science-at-nasa/2012/31may_andromeda
“The Milky Way is destined to get a major makeover during the encounter, which is predicted to happen four billion years from now. It is likely the sun will be flung into a new region of our galaxy, but our Earth and solar system are in no danger of being destroyed.”

As Much as Half of the Milky Way Likely Came From Distant Galaxies
https://www.seeker.com/space/astrophysics/as-much-as-half-of-the-milky-way-likely-came-from-distant-galaxies
“We’re made of star stuff, as Carl Sagan famously put it in his TV series Cosmos. All of the elements that joined together to form our planet and everything on it were set in motion within the hearts of ancient stars. But not only are we star stuff, it appears that we’re actually made of alien star stuff.”

Jellyfish Galaxies Are Feeding Supermassive Black Holes
https://www.seeker.com/space/astrophysics/jellyfish-galaxies-are-feeding-supermassive-black-holes
“There are all sorts of strange “creatures” in outer space. Astronomers study objects called blitzars and magnetars, while citizen scientists with the Galaxy Zoo project have found objects that they’ve affectionately dubbed “green peas” and “voorwerps.” Some of these objects are well understood while others are more mysterious.”

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Special thanks to Amy Shira Teitel for hosting and writing this episode of Seeker!
Check Amy out on Twitter: https://twitter.com/astVintageSpace