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  1. What Is an Exoplanet? | NASA Space Place – NASA Science for …

    May 8, 2025 · What Is an Exoplanet? The Short Answer: All of the planets in our solar system orbit around the Sun. Planets that orbit around other stars are called exoplanets. Exoplanets …

  2. 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 …

  3. Exoplanets - NASA Science

    Apr 22, 2025 · An exoplanet is any planet beyond our solar system. Most of them orbit other stars, but some free-floating exoplanets, called rogue planets, are untethered to any star. We’ve …

  4. What is an exoplanet? - NASA Science

    Oct 29, 2024 · 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 …

  5. In Depth: Exoplanets - Science@NASA

    Mar 11, 2025 · An exoplanet, or extrasolar planet, is a planet outside of our solar system that usually orbits another star in our galaxy. What Is an Exoplanet? Exoplanets – planets outside …

  6. What Are Exoplanets and How Do We Find Them?

    May 3, 2025 · An exoplanet, or extrasolar planet, is a planet that orbits a star outside our solar system. These planets can vary widely in size, composition, and orbit. Some are small, rocky, …

  7. Exoplanets: Everything you need to know about the worlds …

    Nov 14, 2023 · Exoplanets are planets that orbit stars other than the sun and thus exist outside the solar system. The word "exoplanet" derives from the term "extrasolar planet,"...

  8. What is an exoplanet? Updated definition and key concepts

    May 8, 2025 · An exoplanet, also known as an extrasolar planet, is a planet that does not belong to our solar system, that is, it orbits a star other than the Sun. Although for centuries the idea …

  9. What Is an Exoplanet? A Brief Explainer - ExtremeTech

    Dec 21, 2024 · An exoplanet is a planet from a different star system. Most known exoplanets orbit stars within the Milky Way, but with the help of powerful space telescopes, scientists have...

  10. What in the world is an ‘exoplanet?' - Exoplanet Exploration

    Apr 12, 2018 · 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 …

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