Tag: Alien World

Bits from the explosive collision between the planet Theia and an infant Earth are widely believed to be the moon’s origin. A Mars-sized planet impacted Earth in its infancy, and it may have left two vast portions of itself buried…

An exoplanet located at just 26 light-years away appears like one of the best discovered for looking at alien worlds. The exoplanet is known as Gliese 486b, and it’s mostly rocky. Astronomers believe that it may be similar to Venus…