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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.
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.
The solar system consists of the Sun; the eight official planets, at least three “dwarf planets”, more than 130 satellites of the planets, a large number of small bodies (the comets and asteroids), and the interplanetary medium. (There are probably also many more planetary satellites that have not yet been discovered.)
Mar 17, 2020 · The small planet has a diameter of 4.879 km / 3.032 mi. Venus. The second closest planet to the Sun. Venus is on average at a distance of 108 million km / 67 million mi or 0.72 AU away from the Sun. It is the hottest planet of the Solar system since its atmosphere keeps the temperatures almost consistently the same.
Dec 6, 2019 · The realization that Earth is a planet, and a planet among many others was established “fairly” recently, in the 17 th century – this realization came through by the combined forces of ancient philosophers, mathematicians, and astronomers. Plato correctly deduced that the Earth is spherical but this idea would take root and be proven much ...
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 26, 2019 · The Sun Profile. diameter: 1,390,000 km. mass: 1.989e30 kg. temperature: 5800 K (surface) 15,600,000 K (core) History of The Sun. The Sun is by far the largest object in the solar system. It contains more than 99.8% of the total mass of the Solar System (Jupiter contains most of the rest). It is often said that the Sun is an "ordinary" star.
Oct 8, 2019 · The distance among each of the eight planets in our Solar System will alter depending on where each planet is in its orbit revolution around the Sun. Depending on the time of year the distance can also differ significantly. The main reason for the planets to vary their distance is due to elliptical orbits.
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.
Key Facts & Summary. Mercury is the closest planet to the Sun at a distance of 57 million kilometers / 35 million miles. Out of all the terrestrial planets, Mercury is the smallest. It is also the smallest planet in the Solar System. Despite being so small, Mercury is the second-densest planet in the Solar System after Earth.
