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What are the planets in order from the sun?

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Quick Answer

The order of the planets from the sun is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Before 2006, Pluto was considered to be a planet; as of 2014, it is considered to be a dwarf planet.

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Full Answer

Mercury, Venus, Earth and Mars are called the inner planets. These planets are smaller than the other planets and mostly made of rock. Jupiter, Saturn, Uranus and Neptune are the outer planets. They are large balls of gases. An asteroid belt lies between Mars and Jupiter.

A planet is a large object in space that orbits a star and reflects light from that star. As of 2014, scientists have found eight planets in this solar system. Each planet has its own unique orbit. Besides Earth, all planets are named for an ancient Roman deity.

Another class of objects known as dwarf planets was created in 2006. Scientists created this category after discovering new objects in a distant region of the solar system, known as the Kuiper Belt, which were of similar size or larger than Pluto. Dwarf planets must orbit the sun and have enough mass have become round due to their own gravity. Planets have cleared their orbits around the sun so no other similar objects are at the same distance. Dwarf planets fail to do this.

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Related Questions

  • Q:

    What is the order of the planets?

    A:

    Beginning with the planet closest to the Sun and moving outward, the order of the planets is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Before its reclassification as a dwarf planet by the International Astronomical Union in 2006, Pluto was considered the ninth and most distant planet.

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  • Q:

    Why can we see other planets from Earth?

    A:

    The main reason planets in the solar system can be seen from Earth is because they reflect light from the sun. The light reflected off of the five closest planets, Mercury, Venus, Mars, Jupiter and Saturn, can be seen from the Earth with the naked eye.

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  • Q:

    Why do planets stay in orbit ?

    A:

    Planets stay in orbit due to the gravity of the sun. The sun is much bigger and has greater mass compared to planets. This causes the sun to have a greater gravitational pull on planets.

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  • Q:

    What is the surface temperature on planets?

    A:

    The surface temperatures of the solar system's planets are dependent on how close each planet is to the sun. Planets that have atmospheres are better able to retain heat from the sun, affecting the planet's surface temperature.

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