authoritativeMoon naturalinteresting. Tell

De Atley 18 March Scientific American. Mare Frigoris, a basin near the north pole long assumed to be geologically dead, has cracked and shifted. IAU Circular. Retrieved 18 November The time falling bodies take to light : mythology, sexuality, and the origins of culture. Moons can be formed in many different ways. Archived from the original on 16 January Showalter , Lissauer. The Galilean moons are the largest moons in the Solar System. Satellite of Quaoar. Archived from the original on 23 February

Beneath is a region of fractured bedrock referred to as the megaregolith. The perception of the Moon in modern times has been informed by telescope enabled modern astronomy and later by spaceflight enabled actual human activity at the Moon, particularly the culturally impactful lunar landings. The many missions that have explored the Moon have found no evidence to suggest it has its own living things. They were the first moons discovered orbiting a planet other than Earth. Retrograde irregular Ananke.

About earth's moon

Retrieved 17 December The brightest and largest object in our night sky, the Moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate. Main article: Lunar effect. Bibcode : PASP While you were there, you'd notice that the gravity on the surface of the Moon is one-sixth of Earth's, which is why in footage of moonwalks, astronauts appear to almost bounce across the surface. Explore the Moon. Although of considerable selenological interest, this insight does not mean that water is easily available since the sample originated many kilometers below the surface, and the inclusions are so difficult to access that it took 39 years to find them with a state-of-the-art ion microprobe instrument. These light and dark areas represent rocks of different compositions and ages, which provide evidence for how the early crust may have crystallized from a lunar magma ocean. Satellites of Neptune. Archived from the original on 19 December Retrieved 7 August Retrieved 20 June Retrieved 16 November Charlton T. The full moon is highest in the sky during winter and lowest during summer for each hemisphere respectively , with its altitude changing towards dark moon to the opposite.

List of natural satellites - Wikipedia

• Article Talk.
• Johnston's Archive.
• New York: Cambridge University Press.

The Moon is Earth 's only natural satellite. It orbits at an average distance of , km , mi , about 30 times Earth's diameter. The Moon always presents the same side to Earth, because gravitational pull has locked its rotation to the planet. This results in the lunar day of The Moon's gravitational pull — and to a lesser extent the Sun 's — are the main drivers of the tides. The Moon is in geophysical terms a planetary-mass object or satellite planet. It has a mass that amounts to 1. The body of the Moon is differentiated and terrestrial , with no significant hydrosphere , atmosphere , or magnetic field. It formed 4. The lunar surface is covered in lunar dust and marked by mountains , impact craters , their ejecta , ray-like streaks and, mostly on the near side of the Moon, by dark maria "seas" , which are plains of cooled magma. These maria were formed when molten lava flowed into ancient impact basins. The Moon is, beside when passing through Earth's shadow during a lunar eclipse , always illuminated by the Sun, but from Earth the visible illumination shifts during its orbit, producing the lunar phases. This is mainly due to its large angular diameter , while the reflectance of the lunar surface is comparable to that of asphalt. The apparent size is nearly the same as that of the Sun, allowing it to cover the Sun almost completely during a total solar eclipse. For humans the Moon has been an important source of inspiration and knowledge, having been crucial to cosmography , mythology, religion , art, time keeping , natural science , and spaceflight.

We always see the same side of the Moon. The Moon has a solid, rocky surface. There's Moon natural rain or wind, but there is weather, Moon natural. Earth's Moon is the brightest and largest object in our night sky, Moon natural. The Moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate. It also causes tides, creating a rhythm that has guided humans for thousands of years. The Moon was likely formed after a Mars-sized body collided with Earth several billion years ago. Earth's only natural satellite is simply called "the Moon" because people didn't know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter in In Latin, the Moon was called Luna, which is the main adjective for all Moon natural Moon-related: lunar. Why can I see the Moon during the day?

Moon natural. Moon Facts

Of the Solar System 's eight planets and its eight most likely dwarf planetssix planets and six dwarf planets are known to be orbited by at least natural satellitesor moons. At least 19 of them are large enough to be gravitationally rounded; of these, all are covered by a crust of ice except for Earth's Moon and Jupiter's Io. Moons Moon natural classed into two Moon natural categories according to their orbits: regular moons, which have prograde orbits they orbit in the direction of their planets' rotation and lie close to the plane of their equators, and irregular moons, Moon natural orbits can be pro- or retrograde against the direction of their planets' rotation and often lie at extreme angles to their planets' equators. Irregular moons are probably minor planets that have been captured from surrounding space. Most irregular moons are less than 10 kilometres 6. The earliest published discovery of a moon other than Earth's was by Galileo Galileiwho discovered the four Galilean moons orbiting Jupiter in Over the following three centuries, only a few more moons were discovered. Missions to other planets in the s, most notably the Voyager 1 and 2 missions, saw a surge in the number of moons detected, and observations since the yearusing mostly large, ground-based optical telescopeshave discovered many more, all of which are irregular. Mercurythe smallest and innermost planet, has no moons, or at least none that can be detected to a diameter of 1. Venus also has no moons, Moon natural, [3] though reports of a moon around Venus have circulated since the 17th century. Moon natural has one Moonthe largest moon of any rocky planet in the Solar System, Moon natural. Earth also has more than 20 known co-orbitalsincluding the asteroids Cruithne and Kamoʻoalewaand the occasional temporary satelliteMoon natural, like CD 3 ; however, since they do not permanently orbit Earth, they are not considered moons. See Other moons of Earth and Quasi-satellite. Mars has two known moonsPhobos and Deimos "fear" and "dread", Moon natural, after attendants of Aresthe Greek god of war, equivalent to the Roman Mars, Moon natural. Searches for more satellites have been unsuccessful, putting the maximum radius of any other satellites at 90 m yd.

ENCYCLOPEDIC ENTRY

Earth Science, Astronomy, Geology, Physics. A moon is an object that orbits a planet or something else that is not a star. Besides planets, moons can circle dwarf planets , large asteroids , and other bodies. Objects that orbit other objects are also called satellites , so moons are sometimes called natural satellites. People have launched many artificial satellites into orbit around Earth, but these are not considered moons. The planet or body that a moon orbits is called its primary.

Earth's Moon has no moons of its own, Moon natural. Archived PDF from the original on 12 December Earth Science, Astronomy, Geology, Physics.