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  2. Solar System - Wikipedia

    en.wikipedia.org/wiki/Solar_System

    The Solar System remains in a relatively stable, slowly evolving state by following isolated, gravitationally bound orbits around the Sun. [28] Although the Solar System has been fairly stable for billions of years, it is technically chaotic, and may eventually be disrupted. There is a small chance that another star will pass through the Solar ...

  3. List of Solar System objects - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System_objects

    The following is a list of Solar System objects by orbit, ordered by increasing distance from the Sun. Most named objects in this list have a diameter of 500 km or more. The Sun, a spectral class G2V main-sequence star; The inner Solar System and the terrestrial planets. Mercury. Mercury-crossing minor planets; Venus. Venus-crossing minor planets

  4. Fifth planet - Wikipedia

    en.wikipedia.org/wiki/Fifth_planet

    Jupiter, fifth planet from the Sun in our Solar System; Fifth planet (hypothetical), any of various hypothetical planets thought to have existed; Planet V, 2002 scientific proposal for a destroyed fifth planet; Mars, fifth planet from Earth in the Ptolemaic geocentric model; Ceres (dwarf planet), dwarf planet between Mars and Jupiter in the ...

  5. List of Solar System objects by size - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System...

    Parts-per-million chart of the relative mass distribution of the Solar System, each cubelet denoting 2 × 10 24 kg. This article includes a list of the most massive known objects of the Solar System and partial lists of smaller objects by observed mean radius. These lists can be sorted according to an object's radius and mass and, for the most ...

  6. Planet V - Wikipedia

    en.wikipedia.org/wiki/Planet_V

    Planet V is a hypothetical fifth terrestrial planet posited by NASA scientists John Chambers and Jack J. Lissauer to have once existed between Mars and the asteroid belt.In their hypothesis the Late Heavy Bombardment of the Hadean era began after perturbations from the other terrestrial planets caused Planet V's orbit to cross into the asteroid belt.

  7. 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 ...

  8. Fifth planet (hypothetical) - Wikipedia

    en.wikipedia.org/wiki/Fifth_planet_(hypothetical)

    A hypothetical former fifth planet that has since been destroyed has been referenced in fiction since at least the late 1800s. [7] [8] In science fiction, the planet is often called "Bodia" after Johann Elert Bode. [8] [9] By the pulp era of science fiction, Bodia was a recurring theme.

  9. Template:Infobox planetary system - Wikipedia

    en.wikipedia.org/wiki/Template:Infobox_planetary...

    Planetary system; Star spectral type: G2V: Frost line: ≈5 AU: Semi-major axis of outermost planet: 30.10 AU (4.503 billion km) Kuiper cliff: 50 AU: Heliopause: ≈120 AU: Hill sphere: ≈1–2 ly: Orbit about Galactic Center; Invariable-to-galactic plane inclination: 60.19°8 (ecliptic) Distance to Galactic Center: 27,000 ± 1,000 ly: Orbital ...

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