Astronomers may have spotted the first known exoplanet in another galaxy

The planet appears to orbit a massive star circling a dead star in the Whirlpool galaxy

image of the Whirlpool galaxy

The spiral-shaped Whirlpool galaxy may be the host of the first planet spotted outside of the Milky Way.

S. Beckwith/STScI, the Hubble Heritage Team/STScI/AURA, NASA, ESA

Astronomers may have spotted the first known planet in another galaxy.