Exoplanet - Wikipedia
ウェブAn exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917 but was not then recognized as such. The first confirmation of the detection occurred in 1992. A different planet, first detected in 1988, was confirmed in 2003.
Overview | What is an Exoplanet? – Exoplanet ... - Exoplanet …
ウェブ2021年4月2日 · An exoplanet is any planet beyond our solar system. Most orbit other stars, but free-floating exoplanets, called rogue planets, orbit the galactic center and are untethered to any star. Overview. Most of the exoplanets discovered so far are in a relatively small region of our galaxy, the Milky Way.
Exoplanets - NASA Science
ウェブAn exoplanet is any planet beyond our solar system. Most orbit other stars, but free-floating exoplanets, called rogue planets, are untethered to any star. We’ve confirmed more than 5,200 out of the billions of exoplanets that we believe exist.
Webb Confirms Its First Exoplanet - Exoplanet Exploration
ウェブNews | January 11, 2023. 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.
In Depth - NASA Science
ウェブAn exoplanet, or extrasolar planet, is a planet outside of our solar system that usually orbits another star in our galaxy. Exoplanets – planets outside our solar system – are everywhere. But why do we study them? What makes them so interesting?
What is an exoplanet? - NASA Science
ウェブWhat is an exoplanet? The worlds orbiting other stars are called “exoplanets,” and they come in a wide variety of sizes, from gas giants larger than Jupiter to small, rocky planets about as big around as Earth or Mars. They can be …
NASA’s Webb Reveals an Exoplanet Atmosphere as Never Seen …
ウェブ2022年11月22日 · The atmospheric composition of the hot gas giant exoplanet WASP-39 b has been revealed by NASA’s James Webb Space Telescope. This graphic shows four transmission spectra from three of Webb’s instruments operated in four instrument modes. At upper left, data from NIRISS shows fingerprints of potassium (K), water (H2O), and …
Exploring Exoplanets - NASA Jet Propulsion Laboratory (JPL)
ウェブ2024年5月8日 · Exoplanet Exploration at JPL. JPL is at the forefront of a burgeoning and fascinating endeavor — developing technologies to hunt for exoplanets, which are planets beyond our solar system.
NASA’s Webb Reveals an Exoplanet Atmosphere as Never Seen …
ウェブ2022年11月22日 · 6 min read. NASA’s Webb Reveals an Exoplanet Atmosphere as Never Seen Before. NASA Science Editorial Team. Nov 22, 2022. Article. Contents. More Firsts from Webb. This illustration shows what exoplanet WASP-39 b could look like, based on current understanding of the planet.
Found: An Earth-sized exoplanet named SPECULOOS-3 b
ウェブ4 日前 · Credit: NASA/JPL-Caltech. An international team of astronomers has discovered exoplanet SPECULOOS-3 b and its ultra-cool red dwarf star, some 55 light-years away from Earth. Despite being the size ...
コンテンツに移動