Torn by Gravity: How a Cosmic Tug-of-War Is Pulling a Nearby Galaxy Apart
- Researchers at Nagoya University discovered unusual star movements within the Small Magellanic Cloud .
- The Large Magellanic Cloud 's gravitational influence might be slowly disrupting the SMC.
- Scientists tracked about 7,000 massive stars, each over eight times the Sun's mass, in the SMC.
- Kengo Tachihara stated they initially suspected errors: "When we first got this result, we suspected that there might be an error."
- The SMC's lack of rotation suggests previous estimates of its mass may need revising.
14 Articles
14 Articles
Milky Way’s neighbouring galaxy could be ripped apart
Velocities of massive star candidates within the SMC shown as vectors. The colors of the arrows represent the direction of motion. Relative to the LMC, located at the bottom left of the image, most red arrows show movement towards the LMC, whereas most light blue arrows show movement away from the LMC, suggesting they are being pulled apart. Credit: Satoya Nakano Large galaxies like our own, the Milky Way, are often orbited by smaller satellite …
Torn by Gravity: How a Cosmic Tug-of-War Is Pulling a Nearby Galaxy Apart
Astronomers have discovered that the Small Magellanic Cloud, a nearby dwarf galaxy, is being torn apart by the gravitational pull of its larger neighbor, the Large Magellanic Cloud. By tracking thousands of massive stars, researchers found that the galaxy lacks rotational motion and shows signs of disruption, which could dramatically shift our understanding of how [...]
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