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  2. Test your knowledge with these 100 fascinating facts - AOL

    www.aol.com/news/test-knowledge-72-fascinating...

    These interesting facts will help you learn more about our planet, movies, languages, and animals. ... Interesting facts for kids. ... Cap’n Crunch’s full name is Horatio Magellan Crunch.

  3. Solar System - Wikipedia

    en.wikipedia.org/wiki/Solar_System

    The outer planets Jupiter, Saturn, Uranus and Neptune, compared to the inner planets Earth, Venus, Mars, and Mercury at the bottom right The four outer planets, called giant planets or Jovian planets, collectively make up 99% of the mass orbiting the Sun. [ h ] All four giant planets have multiple moons and a ring system, although only Saturn's ...

  4. Earth - Wikipedia

    en.wikipedia.org/wiki/Earth

    The abundance of water, particularly liquid water, on Earth's surface is a unique feature that distinguishes it from other planets in the Solar System. Solar System planets with considerable atmospheres do partly host atmospheric water vapor, but they lack surface conditions for stable surface water. [209]

  5. Solar System belts - Wikipedia

    en.wikipedia.org/wiki/Solar_System_belts

    The Grand tack hypothesis explains how in the Solar System giant planets migrated in unique way to form the Solar System belts and near circular orbit of planets around the Sun. [10] [11] [9] The Solar System's belts are one key parameters for a Solar System that can support complex life, as circular orbits are a parameter needed for the ...

  6. Planet - Wikipedia

    en.wikipedia.org/wiki/Planet

    The eight planets of the Solar System with size to scale (up to down, left to right): Saturn, Jupiter, Uranus, Neptune (outer planets), Earth, Venus, Mars, and Mercury (inner planets) A planet is a large, rounded astronomical body that is generally required to be in orbit around a star, stellar remnant, or brown dwarf, and is not one itself. [1]

  7. Astronomy - Wikipedia

    en.wikipedia.org/wiki/Astronomy

    A planet or moon's interior heat is produced from the collisions that created the body, by the decay of radioactive materials (e.g. uranium, thorium, and 26 Al), or tidal heating caused by interactions with other bodies. Some planets and moons accumulate enough heat to drive geologic processes such as volcanism and tectonics.

  8. Lists of planets - Wikipedia

    en.wikipedia.org/wiki/Lists_of_planets

    These are lists of planets.A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation is the nebular hypothesis, which posits that an interstellar cloud collapses out of a nebula to create a young protostar orbited by a protoplanetary disk.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!