Tag: exoplanets

Tidal Locking Explained: Worlds That Face One Side to Their Star

Tidal locking explained: why the Moon always shows one face, how a planet ends up with a permanent dayside and nightside, and which worlds are not locked.

What Is an Exoplanet? Definition and How They Are Found

An exoplanet is a planet orbiting a star other than the Sun. Learn how astronomers find them with transits, wobbles, imaging and lensing.