News Space

It came from another galaxy

Extrasolar planet traces its origin outside the Milky Way

By Ron Cowen

- More than 2 years ago

Some extrasolar planets are truly out of this world.

STOLEN PLANET The extrasolar planet HIP 13044b and its parent star, shown in this artist’s illustration, were both captured by the Milky Way from another galaxy, a new study suggests. L. Calçada/ESO

Astronomers have for the first time discovered a planet in the Milky Way that came from another galaxy.