Milky Way flipped in collision with dwarf galaxy 10bn years ago, astronomers say
Astronomers report that the Milky Way may have flipped sideways following a collision with a dwarf galaxy approximately 10 billion years ago.
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The brief
New astronomical findings suggest the Milky Way underwent a dramatic rotation, potentially flipping more than 90 degrees. This event was triggered by a collision with a dwarf galaxy described as sausage-shaped.
Coverage from The Guardian, ScienceAlert, and IFLScience emphasizes the scale of the rotation and the nature of the colliding galaxy. The Royal Astronomical Society and Phys.org refer to the event as "cosmic gymnastics." Future focus remains on the details of this ancient collision and the resulting structural changes to the Milky Way.
Synthesized by Archynetys from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 2h ago.
Quick answers
When did the collision occur?
According to coverage from The Guardian, the collision happened 10 billion years ago.
What was the nature of the colliding galaxy?
ScienceAlert and IFLScience describe the colliding entity as a sausage-shaped dwarf galaxy.
How far did the Milky Way rotate?
IFLScience reports the galaxy may have been rotated by more than 90 degrees.
Coverage (7)
- Cosmic collision: The Milky Way once flipped by more than 90 degrees The Brighter Side of News · 7h ago
- Our Milky Way galaxy has flipped on its side, astronomers say The Independent · 7h ago
- The Milky Way May Have Flipped Sideways... After a Collision With a Sausage-Shaped Galaxy ScienceAlert · 7h ago
- NAM 2026 - Cosmic gymnastics: How our Milky Way once underwent a dramatic flip The Royal Astronomical Society · 7h ago
- Collision With "Sausage Galaxy" Might Have Rotated The Milky Way By More Than 90 Degrees IFLScience · 7h ago
- Cosmic gymnastics: How the Milky Way once underwent a dramatic flip Phys.org · 7h ago
- Milky Way flipped in collision with dwarf galaxy 10bn years ago, astronomers say The Guardian · 7h ago
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