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  1. Only showing results from www.astronomy.com

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  2. It's a distinction the planet already held for 84 years, between its discovery in 1846 and Pluto's in 1930, and for another 20 years (1979-1999) when Pluto's eccentric orbit put it inside ...
    • Solar System

      Our solar system consists of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, as well as countless astroids and comets, that are gravitationally bound to the Sun.

    • Happy birthday, Neptune!

      The planet's disk spans 17″, and the ring system stretches 39″ from tip to tip. The rings start to become more noticeable this month as they tip more to our line of sight. In June, the tilt ...

    • The Neptune effect

      December 8, 2003 L. ying far beyond Neptune's orbit and harboring billions of icy objects, the Kuiper Belt is the final frontier of our solar system.. Believed to be the frozen, 3.5-billion-year ...

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  4. Neptune is the most distant major planet in our solar system. German astronomer Johann Galle discovered the planet September 23, 1846. At the time, the discovery doubled the size of the known ...
  5. Nov 25, 2024Nonetheless, the implications of this find extend far beyond our own solar system. Neptune- and Uranus-type exoplanets are more abundant than Jupiter-like planets, and worlds called mini-Neptunes ...
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