
Exoplanets - NASA Science
2025年2月18日 · Exoplanet Catalog. Learn more about every confirmed exoplanet — 5,800 and counting — in this continuously updated resource. View interactive 3D models, read descriptions and vital statistics, and filter by exoplanet type, or by the method used to discover it, or the spacecraft, observatory, or other facility that found it.
Historic Timeline | Explore - Exoplanet Exploration
A timeline of discovery: NASA's early work searching for planets beyond our solar system through notable exoplanet discoveries.
Historic Timeline | Explore – Exoplanet ... - Exoplanet Exploration
NASA's Exoplanet Archive announces 31 newly confirmed exoplanets discovered by ground and space-based telescopes. Five were detected by the recently launched TESS space telescope. They push the official planet count past the 4,000 mark for the first time.
Webb Confirms Its First Exoplanet – Exoplanet ... - Exoplanet …
2023年1月11日 · Researchers confirmed an exoplanet, a planet that orbits another star, using NASA’s James Webb Space Telescope for the first time. Formally classified as LHS 475 b, the planet is almost exactly the same size as our own, clocking in at 99% of Earth’s diameter.
5 Ways to Find a Planet - Exoplanet Exploration
NASA’s Exoplanet Exploration Program, the search for planets and life beyond our solar system.
Exoplanet Program: ExEP In Depth - Exoplanet Exploration
2016年11月18日 · The NASA Exoplanet Exploration Program (ExEP) science and missions represent an undertaking of unprecedented scope and ambition, promising insight into humankind's most timeless questions: What kinds of planetary systems orbit other stars in …
Cosmic Milestone: NASA Confirms 5,000 Exoplanets
Astronomers have now confirmed more than 5,000 exoplanets – planets beyond our solar system. But it’s just a fraction of the likely hundreds of billions in our Milky Way galaxy. The cones of exoplanet discovery radiate out from planet Earth, like spokes on a wheel.
Transiting Exoplanet Survey Satellite (TESS) - Exoplanet Exploration
2021年3月22日 · The Transiting Exoplanet Survey Satellite (TESS) is designed to discover thousands of exoplanets in orbit around the brightest dwarf stars in the sky. In its prime mission, a two-year survey of the solar neighborhood, TESS monitored the brightness of stars for periodic drops caused by planet transits.
Discovery Alert: A 'Super-Earth' in the Habitable Zone
2024年1月31日 · The discovery: A “super-Earth” ripe for further investigation orbits a small, reddish star that is, by astronomical standards, fairly close to us – only 137 light-years away. The same system also might harbor a second, Earth-sized planet.
Discovery Alert: a Long Year for a 'Cold Saturn' - Exoplanet …
2024年3月7日 · The discovery: Two giant planets comparable to our own system’s Saturn orbit a star not unlike our Sun some 700 light-years away. The outer planet has the longest year – 483 days – of any found so far by NASA’s TESS (the Transiting Exoplanet Survey Satellite).