NASA’s TESS Spacecraft
This is an artwork of the Transiting Exoplanet Survey Satellite (TESS). TESS was launched by NASA in
April 2018, the successor to Kepler. It has a two-year mission, during which it will be hunting for
extrasolar planets transiting their stars. It is expected to find around 20,000 planets. At the time
of its launch, 3800 exoplanet were known.