Red supergiant stars 'dance' because they have too much gas - Livescience.com

The light they produce wobbles around, making them hard to pin down.

An artist's impression of exoplanets orbiting a red supergiant. The bright light in the distance comes from a faraway star of a similar size. (Image credit: Shutterstock) (opens in new tab)Scientist… [+5654 chars]

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