how many known planets are in our solar system?
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There are eight planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
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As of mid-March 2018, Kepler has discovered 2,342 confirmed exoplanets and revealed the existence of perhaps 2,245 others. The total number of planets discovered by all observatories is 3,706.
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In our solar system, there are four terrestrial planets, which also happen to be the four closest to the sun: Mercury, Venus, Earth and Mars. During the formation of the solar system, there were likely more terrestrial planetoids, but they either merged with each other or were destroyed.
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For those of you who like to see gigantic numbers written out in full, around 10,000,000,000,000,000,000,000,000 planets in our observable Universe, and that's only counting planets that are orbiting stars.
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Our solar system includes the sun and eight planets that orbit around the sun. The smaller, inner planets include Mercury, Venus, Earth, and Mars. The inner planets are rocky and have diameters of less than 13,000 kilometers. The outer planets include Jupiter, Saturn, Uranus, and Neptune.
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When Pluto was discovered 80 years ago, we never could have expected the variety of objects in the Solar System. Categorizing Pluto as a dwarf planet helps us better describe our celestial home. So, our Solar System now has eight planets, and five dwarf planets.
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1. 18,446,744,073,709,551,616. That's the number of planets waiting to be discovered inside the universe of No Man's Sky.
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Eight planets have been discovered in our solar system. Mercury, Venus, Earth, and Mars are the planets closest to the Sun. They are called the inner planets.
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Our solar system's largest planet is an average distance of 778,000,000 km (484,000,000 miles) from the Sun. That's 5.2 AU. Jupiter is the largest of the planets, spanning nearly 1.75 mm in diameter on our football field scale.
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Goldilocks worlds: just right for life? Of the 1,780 confirmed planets beyond our solar system, as many as 16 are located in their star's habitable zone, where conditions are neither too hot nor too cold to support life.
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As of July 2018, astronomers have confirmed the existence of nearly 3,800 planets orbiting stars other than the Sun.
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Our solar system is made up of a star—the Sun—eight planets, 146 moons, a bunch of comets, asteroids and space rocks, ice, and several dwarf planets, such as Pluto. The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Mercury is closest to the Sun.
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AMATEUR stargazers can spot five of the eight planets in our Solar System with the naked eye. Mercury, Venus, Mars, Jupiter and Saturn are all visible at various times of the year – here's how you can catch a glimpse of them tonight.
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Since 1995, when Michel Mayor and Didier Queloz of the Observatoire de Geneve, discovered the first planet orbiting another star like the Sun, over two hundred more extrasolar planets have been found in more than 170 solar systems outside our own.
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There are 5 officially recognised dwarf planets in our solar system, they are Ceres, Pluto, Haumea, Makemake and Eris.
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Based on the findings, the Kepler team estimated there to be "at least 50 billion planets in the Milky Way" of which "at least 500 million" are in the habitable zone.
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Our Milky Way galaxy is home to at least 100 billion alien planets, and possibly many more, a new study suggests. "It's a staggering number, if you think about it," lead author Jonathan Swift, of Caltech in Pasadena, said in a statement. "Basically there's one of these planets per star."