Planet - Wikipedia
WebPlanet. The eight planets of the Solar System with size to scale (up to down, left to right): Saturn, Jupiter, Uranus, Neptune (outer planets), Earth, Venus, Mars, and Mercury (inner planets) A planet is a large, rounded astronomical body that is neither a star nor its remnant.
Earth - Wikipedia
WebEarth is the third planet from the Sun and the only astronomical object known to harbor life. This is enabled by Earth being a water world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust.
Solar System - Wikipedia
WebGeneral characteristics. Astronomers sometimes divide the Solar System structure into separate regions. The inner Solar System includes the Mercury, Venus, Earth, Mars and bodies in the asteroid belt. The outer Solar System includes the Jupiter, Saturn, Uranus, Neptune and bodies in the Kuiper belt. [30]
Mars - Wikipedia
WebMars is the fourth planet from the Sun. The surface of Mars is orange-red because it is covered in iron (III) oxide dust, giving it the nickname " the Red Planet ". [21] [22] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.
Terrestrial planet - Wikipedia
WebA terrestrial planet, telluric planet, or rocky planet, is a planet that is composed primarily of silicate, rocks or metals. Within the Solar System, the terrestrial planets accepted by the IAU are the inner planets closest to the Sun: Mercury, Venus, Earth and Mars.
Lists of planets - Wikipedia
WebLists of planets. These are lists of planets. A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation is the nebular hypothesis, which posits that an interstellar cloud collapses out of a nebula to create a young protostar orbited by a protoplanetary disk.
Definition of planet - Wikipedia
WebA planet can be an astronomical body that dynamically dominates its region (that is, whether it controls the fate of other smaller bodies in its vicinity) or it is defined to be in hydrostatic equilibrium (it has become gravitationally rounded and compacted).
Pluto - Wikipedia
WebPluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune.It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun.It is the largest known trans-Neptunian object by volume, by a small margin, but is less massive than Eris.Like other Kuiper belt objects, Pluto is made …
List of planets - Simple English Wikipedia, the free encyclopedia
WebEarth – The only planet that is known to have life. It has one natural satellite, the Moon. Mars – Sometimes called the "red planet" and "the brother of Earth". Gas giants. Jupiter – The largest planet in the Solar System. Saturn – Sixth planet from the Sun. It has giant rings around it. Uranus - Seventh planet from the Sun. It has 11 ...
Planet - Wikiwand
WebThe Solar System has at least eight planets: the terrestrial planets Mercury, Venus, Earth, and Mars, and the giant planets Jupiter, Saturn, Uranus, and Neptune.
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