TESS (Transiting Exoplanet Survey Satellite)
|December 20, 2022
An illustration of NASA's TESS spacecraft. The colors depicted in this illustration are for artistic purposes only.
TESS was designed to detect exoplanets, worlds beyond our solar system. In the course of its extended observations of the sky, it also discovers all types of objects that change in brightness, from nearby asteroids to pulsating stars and distant galaxies containing supernovae.