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The Nine Planets is an encyclopedic overview with facts and information about mythology and current scientific knowledge of the planets, moons, and other objects in our solar system and beyond. The 9 Planets in Our Solar System
Dec 6, 2019 · Learn about the eight planets and five dwarf planets of the solar system, their features, history, and exploration, with facts and images.
Mar 17, 2020 · The planets of our Solar System are listed based on their distance from the Sun. There are, of course, the dwarf planets Ceres, Pluto, Haumea, Makemake, and Eris; however, they are in a different class. Among the dwarf planets, Pluto was listed as a planet the longest. This all changed in 2006 when the Astronomical Union – IAU – finally ...
The gas planets are composed primarily of hydrogen and helium and generally have low densities, rapid rotation, deep atmospheres, rings and lots of satellites. by size: small planets: Mercury, Venus, Earth, Mars. The small planets have diameters less than 13000 km. giant planets: Jupiter, Saturn, Uranus and Neptune.
Sep 29, 2020 · The eight planets in our Solar System, in order from the Sun, are the four terrestrial planets Mercury, Venus, Earth, and Mars, followed by the two gas giants Jupiter and Saturn, and the ice giants Uranus and Neptune. These are the eight planets of our Solar System; however, there is a ninth, or at least, there used to be a ninth planet, namely ...
Sep 25, 2019 · Mercury's axis has the smallest tilt of any of the Solar System's planets at about 1 ⁄ 30 degrees, while its orbital eccentricity is the largest of all known planets in the Solar System. Mercury's distance from the Sun is only about two-thirds or 66%, of its distance at aphelion, at its aphelion it is 0.44 AU away from the Sun.
All other objects3 except satellites orbiting the Sun shall be referred to collectively as “Small Solar-System Bodies”. So by this official definition there are exactly eight “planets”: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Ceres, Pluto, and Eris (2003UB313) are now classificed as “dwarf planets”.
Venus is the second-biggest terrestrial planet, having a radius of 6.051 kilometers / 3.760 miles and a diameter of 12.104 km / 7.521 mi. It is only slightly smaller than Earth. Our Earth is the fifth largest planet in the Solar System. It has a diameter of 6.371 km / 3.958 mi. It is the largest terrestrial planet.
From the asteroid belt to Jupiter’s turbulent storms, every celestial body sits ready to unfold its story. With the tour continuing to the outer reaches of the universe, you’d experience the icy solitude of the outer planets like Neptune and Uranus. However, we shouldn’t forget about an often overlooked, yet significant part of our solar ...
About Nine Planets. The Nine Planets has been online since 1994 and was one of the first multimedia websites that appeared on the World Wide Web. Take an interactive tour of the solar system, or browse the site to find fascinating information, facts, and data about our planets, the solar system, and beyond.
