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  • The Nine Planets of The Solar System | Eight Planets Without Pluto
    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
  • Earth Facts | Surface, Atmosphere, Satellites, History Definition
    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
  • The Planets In Order | From The Sun, Information, History Definition
    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
  • The Planets | Facts About the Eight Planets 5 Dwarf Planets
    The Planets of the Solar System Detailed information and facts about the eight planets and five dwarf planets in our solar system
  • How Many Planets are in our Solar System? | Facts Amount
    The closest planet to the Sun is Mercury, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and the dwarf planet Pluto This is the order of the planets The smallest planet in our Solar System is Mercury, which is only one third the size of Earth, while the biggest planet in the Solar System is Jupiter, which is 11 times bigger
  • Solar System Facts | Information, Size, History and Definition
    Sun and large planet comparison (from Extrema) 15k jpg; Earth and small body comparison (from Extrema) 13k jpg; Voyager 1 mosaic of the solar system from 4 billion miles out 36k jpg; html Voyager 1 images of 6 planets from 4 billion miles out 123k jpg; html; Pale Blue Dot, reflections on the above image by Carl Sagan
  • Saturn Facts | Surface, Atmosphere, Moons, History Definition
    The rings of Saturn together with the planet itself can fit in the distance between the Earth and the Moon It is the most oblate planet in the Solar System, with its equatorial diameter of 120 536 km 74 897 mi, being greater than the planet's polar diameter of 108,728 km 67 560 mi If viewed from a small telescope it appears flattened
  • Mercury Facts | Information, History, Location, Size Definition
    Because the planet has no atmosphere to retain that heat, nighttime temperatures on the surface can drop to -290 degrees Fahrenheit -180 degrees Celsius These changes in temperature are the most drastic in the entire Solar System Structure Mercury is a terrestrial planet having three main layers: a core, mantle and crust
  • Introduction to the planets of our solar system
    A “planet” is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit
  • Neptune Facts | Temperature, Surface, Information, History Definition
    Until Pluto’s eccentric orbit was understood and its status dropped from that of a planet to a dwarf planet, Neptune was considered the second furthest planet from the Sun Neptune has a radius of 15 387 miles or 24 764 kilometers, about four times wider than Earth, and a diameter of 49 244 km or 30 598 mi being the fourth largest planet of





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