TESS (Transiting Exoplanet Survey Satellite)
Active Mission
NASA’s TESS discovers exoplanets, worlds beyond our solar system. In the course of its extended observations of the sky, TESS also finds and monitors all types of objects that change in brightness, from nearby asteroids to pulsating stars and distant galaxies containing supernovae.
Type
Space telescope
Launch
April 18, 2018
Wavelength
Visible light
Status
Extended mission
Featured Video
Primary Mission Complete, TESS Extends its Exploration
NASA’s Transiting Exoplanet Survey Satellite (TESS) completed its two-year primary mission and continues its search for new worlds. Learn about some of TESS’s most interesting discoveries so far.
Learn MoreLatest NASA TESS News
The Greater Pleiades Complex
Astronomers have revolutionized our understanding of a collection of stars in the northern sky called the Pleiades.
Learn More about The Greater Pleiades Complex
