Transiting Exoplanet Survey Satellite (TESS) Begins Next Year in Space #2
High Earth Orbit (HEO)Space telescope for NASA Explorers program, designed to search for exoplanets using the transit method in an area 400 times larger than that covered by Kepler / K2 mission, reaches 8th full year / enters 9th year in space today; launched April 18, 2018.