Exoplanets are planets that orbit stars outside of our Solar System. Beginning in the mid-1990s, astronomers began finding these planets by several means. To date there have been hundreds found.
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| - Exoplanets are planets that orbit stars outside of our Solar System. Beginning in the mid-1990s, astronomers began finding these planets by several means. To date there have been hundreds found.
- Astronomers are searching for exoplanets because it is possible that some, perhaps many of them of them may sustain alien life. SETI is seriously looking for alien signals. As of early 2015 there are over 1855 known. [1] More are continually discovered, Most known exoplanets are Gas giants at least as big as Jupiter, Saturn, Uranus and Neptune. Some are many times heavier than Jupiter.
- An Exoplanet or Extra Solar Planet is a planet orbiting another sun or star outside the Solar System. Astronomers are searching for exoplanets because it is possible that some, perhaps many of them of them may sustain alien life. SETI is seriously looking for alien signals. In late 2009 over 400 exoplanets are known. [1] Most are Gas giants at least as big as Jupiter, Saturn, Uranus and Neptune. Some are many times heavier than Jupiter. Smaller exoplanets may be very common but are harder to find with present intsruments.
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- The three known planets of the star HR8799, as imaged by the Hale Telescope. The light from the central star was blanked out by a vector vortex coronagraph.
- Sizes of Kepler Planet Candidates – based on 2,740 candidates orbiting 2,036 stars .
- Comparison of sizes of planets with different compositions.
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- Brown dwarf 2M J044144 and planet.jpg
- Planet sizes.svg
- Size of Kepler Planet Candidates.jpg
- The Star AB Pictoris and its Companion - Phot-14d-05-normal.jpg
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| - An Exoplanet or Extra Solar Planet is a planet orbiting another sun or star outside the Solar System. Astronomers are searching for exoplanets because it is possible that some, perhaps many of them of them may sustain alien life. SETI is seriously looking for alien signals. In late 2009 over 400 exoplanets are known. [1] Most are Gas giants at least as big as Jupiter, Saturn, Uranus and Neptune. Some are many times heavier than Jupiter. Smaller exoplanets may be very common but are harder to find with present intsruments. Others are smaller and could sustain life like the Earth. COROT-Exo-7b is the smallest yet discovered and has a diameter less than twice that of Earth. Scientists expected such planets before it was found and were not surprised to find it. COROT-Exo-7b orbits close to its sun and must be too hot for our kind of life but others like COROT-Exo-7b may be at the best distance for life. Scientists plan to look for water and oceans on exoplanets as life possible on such planets.
- Exoplanets are planets that orbit stars outside of our Solar System. Beginning in the mid-1990s, astronomers began finding these planets by several means. To date there have been hundreds found.
- Astronomers are searching for exoplanets because it is possible that some, perhaps many of them of them may sustain alien life. SETI is seriously looking for alien signals. As of early 2015 there are over 1855 known. [1] More are continually discovered, Most known exoplanets are Gas giants at least as big as Jupiter, Saturn, Uranus and Neptune. Some are many times heavier than Jupiter.
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