Galaxies collide with each other on a pretty regular basis. Our own Milky Way, for instance, has gobbled up dozens of smaller galaxies in the past, and Andromeda is currently hurtling towards us at 109 km (68 mi) per second. An international team of astronomers has now found evidence of a celestial smash-up between the Milky Way and an unknown dwarf galaxy that took place around eight to 10 billion years ago, and forever changed the face of our home galaxy.
.. Continue Reading Milky Way still bears the 10-billion-year-old scars of a galactic collisionCategory: Space
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from New Atlas https://ift.tt/2lZwCLX
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