Astronomy & Observing News

Betelgeuse: Star in a Shell

New measurements taken with the Very Large Telescope interferometer in Chile may help to answer what causes Betelgeuse to vary in brightness — and also why red supergiants have bigger atmospheres than astronomers can explain.

Astronomy & Observing News

Lonely Planets of the Cosmos

If an Earth-Moon system was flung out of its solar system, could life still survive there? Possibly yes.

Advertisement