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  • Exoplanet - Wikipedia
    An exoplanet or extrasolar planet is a planet outside the Solar System The first confirmed detection of an exoplanet was in 1992 around a pulsar, and the first detection around a main-sequence star was in 1995 A different planet, first detected in 1988, was confirmed in 2003
  • Extrasolar planet | Definition, Detection, Properties, Facts - Britannica
    Extrasolar planet, any planetary body that is outside the solar system and that usually orbits a star other than the Sun Extrasolar planets were first discovered in 1992 More than 5,000 are known, and almost 9,000 await further confirmation Learn more about extrasolar planets in this article
  • In Depth: Exoplanets - Science@NASA
    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?
  • Atmosphere of an Extrasolar Planet Detected for the First Time
    Atmosphere of an Extrasolar Planet Astronomers have made the first direct detection and chemical analysis of an atmosphere of a planet that exists outside our solar system The planet – HD 209458b – orbits a yellow, Sun-like star that lies 150 light-years away
  • Exoplanets, worlds beyond the Solar System | The Planetary Society
    An exoplanet, short for “extrasolar planet,” is any planet that isn’t in the Solar System Some are gas giants like Jupiter and Saturn, some are rocky like Mercury or Mars, and others are icy like Neptune or Uranus
  • ESA - What are exoplanets? - European Space Agency
    An exoplanet is a planet outside our own Solar System, sometimes referred to as an extrasolar planet More than 5000 exoplanets have been confirmed Some are massive, like Jupiter, but orbit much closer to their host star than Mercury does to our Sun
  • Extrasolar Planets Extrasolar Planets - Laboratory for Atmospheric and . . .
    SUMMARY: An extrasolar planet, or exoplanet, is a planet outside of our solar system that orbits a star other than our Sun
  • Exoplanet Facts - Interesting Facts about Exoplanets - Space Facts
    Exoplanets, also called “extrasolar planets” are worlds orbiting other stars Thousands of possible exoplanets have been found through ground-based and space-based observatories More than 4,000 exoplanets have been confirmed; with almost 3,800 candidates awaiting further observations so that astronomers can be sure that they are planets
  • Extrasolar object - Wikipedia
    An extrasolar object (from Latin extra ' outside or beyond ' and solaris ' of the Sun ') is an astronomical object that exists outside the Solar System It is not applied to stars, or any other celestial object that is larger than a star or the Solar System, such as a galaxy
  • EXOPLANETS - Extrasolar Planets Encyclopedia - NASA
    The Extrasolar Planets Encyclopedia is a working tool, providing all the latest detections and data that have been announced by professional astronomers, Which is intended to be used to facilitate progress in exoplanetology





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