Transiting Exoplanet Survey Satellite References Transiting Exoplanet Survey Satellite United States satellite Ask Anything Homework Help Also known as: TESS Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: extrasolar planet/ Directions for future researchThe Transiting Exoplanet Survey Satellite (TESS), launched on April 18, 2018, is designed to study more than 200,000 stars in an effort to detect hundreds of Earth-sized planets. As of 2025, TESS has found almost 700 extrasolar planets. Read MoreThe Transiting Exoplanet Survey Satellite (TESS), launched on April 18, 2018, is designed to study more than 200,000 stars in an effort to detect hundreds of Earth-sized planets. As of 2025, TESS has found almost 700 extrasolar planets. Read More