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Solar System Facts

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The Great Red Spot of Jupiter

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Jupiter's Great Red Spot is a giant storm larger than Earth that has been ongoing for at least 400 years.

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Atmosphere of Mars

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Mars has a thin atmosphere primarily composed of carbon dioxide (95.3%), with trace amounts of nitrogen and argon.

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Asteroid Belt

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The Asteroid Belt is a region of space located between the orbits of Mars and Jupiter where numerous irregularly shaped asteroids orbit the Sun.

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Kuiper Belt

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The Kuiper Belt is a region of the Solar System beyond the orbit of Neptune, filled with icy bodies, including dwarf planets like Pluto.

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Moons of Jupiter

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Jupiter has 79 known moons, with four large moons called the Galilean moons: Io, Europa, Ganymede, and Callisto.

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Composition of the Sun

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The Sun is primarily composed of hydrogen (about 75%) and helium (about 24%) with trace amounts of heavier elements such as oxygen, carbon, neon, and iron.

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Heliosphere

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The Heliosphere is a vast bubble-like region of space dominated by the solar wind and magnetic field of the Sun, extending well beyond the orbit of Pluto.

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Magnetic Field of Earth

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Earth's magnetic field is generated by the dynamo effect in its liquid outer core and protects the planet from solar and cosmic radiation.

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Pluto's Status

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Pluto was reclassified from a planet to a dwarf planet in 2006 by the International Astronomical Union due to its inability to clear its orbit of other debris.

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Orbital Eccentricity of Planets

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Orbital eccentricity measures how much a planet's orbit deviates from a perfect circle. Most planets in the Solar System have low eccentricity, indicating nearly circular orbits.

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The Oort Cloud

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The Oort Cloud is a hypothesized spherical layer of icy objects surrounding the Solar System and is the source of long-period comets.

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Surface of Mercury

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Mercury's surface is heavily cratered and has numerous cliffs and ridges, resembling the Moon's surface.

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Rotation of Venus

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Venus rotates on its axis very slowly and in the opposite direction of most planets in the Solar System, a phenomenon known as retrograde rotation.

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Valles Marineris on Mars

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Valles Marineris is a system of canyons on Mars that spans over 4,000 kilometers and is up to 7 kilometers deep, making it one of the largest canyon systems in the Solar System.

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Age of the Solar System

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The Solar System is roughly 4.6 billion years old, based on the dating of the oldest meteorites found on Earth.

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Tilt of Uranus

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Uranus has an extreme axial tilt of about 98 degrees, causing it to rotate on its side relative to the plane of the Solar System.

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Size of the Solar System

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The Solar System is about 287.46 billion kilometers in diameter, measured by the distance to the heliopause, the boundary of the Heliosphere.

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Neptune's Winds

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Neptune has the fastest winds in the Solar System, reaching speeds of over 2,100 kilometers per hour.

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Rings of Saturn

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Saturn is known for its prominent ring system made up of ice and rock particles ranging from tiny grains to larger boulders.

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Titan's Lakes

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Titan, a moon of Saturn, is known for having lakes of liquid methane and ethane on its surface, a unique feature in the Solar System.

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