15 Facts About Solar System


Solar System is the gravitationally bound system of the Sun and the objects that orbit it.

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Angular momentum of the Solar System is a measure of the total amount of orbital and rotational momentum possessed by all its moving components.

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The inner Solar System includes the four terrestrial planets and the asteroid belt.

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Since the discovery of the Kuiper belt, the outermost parts of the Solar System are considered a distinct region consisting of the objects beyond Neptune.

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Objects of the inner Solar System are composed mostly of rocky materials, such as silicates, iron or nickel.

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The largest such scale model, the Sweden Solar System, uses the 110-metre Ericsson Globe in Stockholm as its substitute Sun, and, following the scale, Jupiter is a 7.

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Inner Solar System is the region comprising the terrestrial planets and the asteroid belt.

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The inner Solar System contains near-Earth asteroids, many of which cross the orbits of the inner planets.

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Ganymede, the largest satellite in the Solar System, is larger than Mercury; Callisto is almost as large.

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Titan, the second-largest moon in the Solar System, is bigger than Mercury and the only satellite in the Solar System to have a substantial atmosphere.

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Point at which the Solar System ends and interstellar space begins is not precisely defined because its outer boundaries are shaped by two forces, the solar wind and the Sun's gravity.

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Solar System's location in the Milky Way is a factor in the evolutionary history of life on Earth.

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Solar System is surrounded by the Local Interstellar Cloud, although it is not clear if it is embedded in the Local Interstellar Cloud or if it lies just outside the cloud's edge.

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The known Solar System lacks super-Earths, planets between one and ten times as massive as the Earth, although the hypothetical Planet Nine, if it does exist, could be a super-Earth beyond the Solar System as we understand it today.

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Term "Solar System" entered the English language by 1704, when John Locke used it to refer to the Sun, planets, and comets.

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