Mit seiner Frau Tess und seiner kleinen Tochter Eve auf der Erde steht er nur per Video-Botschaften in Verbindung. The fifth largest moon in the solar system, Earth's moon is the only place beyond Earth where humans have set foot. [185](p411) Moon ist ein Hard SF aus dem Jahr 2009 von Duncan Jones mit Sam Rockwell, Kevin Spacey und Dominique McElligott. Scale model of the Earth–Moon system: Sizes and distances are to scale. Maximaler Komfort. Natives for Sun. [131] Water vapor has been detected by Chandrayaan-1 and found to vary with latitude, with a maximum at ~60–70 degrees; it is possibly generated from the sublimation of water ice in the regolith. [229] The Constellation program was funded and construction and testing begun on a crewed spacecraft and launch vehicle,[230] and design studies for a lunar base. In many prehistoric and ancient cultures, the Moon was personified as a deity or other supernatural phenomenon, and astrological views of the Moon continue to be propagated today. [122] Theoretically, some of the remnant magnetization may originate from transient magnetic fields generated during large impacts through the expansion of plasma clouds. [55][56] This structure is thought to have developed through the fractional crystallization of a global magma ocean shortly after the Moon's formation 4.5 billion years ago. 9,7 Millionen US-Dollar ein; dem standen Produktionskosten von ca. The result is a further tidal effect of the Moon on the Earth that causes a bulge of the solid portion of the Earth nearest the Moon that acts as a torque in opposition to the Earth's rotation. Alles rund um die Anime-Serie gibt's auf sixx.de. This mission obtained the first near-global topographic map of the Moon, and the first global multispectral images of the lunar surface. [58][73][74] Most of the Moon's mare basalts erupted during the Imbrian period, 3.0–3.5 billion years ago, although some radiometrically dated samples are as old as 4.2 billion years. [84][85], The lighter-colored regions of the Moon are called terrae, or more commonly highlands, because they are higher than most maria. [123][124] However, early in its history, 4 billion years ago, its magnetic field strength was likely close to that of Earth today. Jetzt anmelden und #DABEI sein! [66] Similar shrinkage features exist on Mercury. However, since the 1960s, scientists have hypothesized that water ice may be deposited by impacting comets or possibly produced by the reaction of oxygen-rich lunar rocks, and hydrogen from solar wind, leaving traces of water which could possibly persist in cold, permanently shadowed craters at either pole on the Moon. The main lunar gravity features are mascons, large positive gravitational anomalies associated with some of the giant impact basins, partly caused by the dense mare basaltic lava flows that fill those basins. NASA released photos of the crater on 25 December 2011.[224]. The illuminated area of the visible sphere (degree of illumination) is given by The study included the possibility of conducting a lunar-based nuclear test. The Moon is the only other planetary body that humans have visited. Although several individuals have made claims to the Moon in whole or in part, none of these are considered credible. [103] In 1998, the neutron spectrometer on the Lunar Prospector spacecraft showed that high concentrations of hydrogen are present in the first meter of depth in the regolith near the polar regions. No such regions exist at the south pole. ", United Nations Office for Outer Space Affairs, "How many States have signed and ratified the five international treaties governing outer space? The Earth revolves around the Earth-Moon barycentre once a sidereal month, with 1/81 the speed of the Moon, or about 12.5 metres (41 ft) per second. [206] The American Moon landing and return was enabled by considerable technological advances in the early 1960s, in domains such as ablation chemistry, software engineering, and atmospheric re-entry technology, and by highly competent management of the enormous technical undertaking. The Moon is a very slightly scalene ellipsoid due to tidal stretching, with its long axis displaced 30° from facing the Earth (due to gravitational anomalies from impact basins). [91] The radiometric ages of impact-melted rocks collected during the Apollo missions cluster between 3.8 and 4.1 billion years old: this has been used to propose a Late Heavy Bombardment of impacts. It has a geochemically distinct crust, mantle, and core. Alle in der folgenden Liste gelisteten Moon sind unmittelbar im Internet erhältlich und somit in weniger als 2 Tagen bei Ihnen zuhause. The Moon's orbit around Earth has a sidereal period of 27.3 days, and a synodic period of 29.5 days. This motion is superimposed on the much larger revolution of the Earth around the Sun at a speed of about 30 kilometres (19 mi) per second. [180], One of the earliest-discovered possible depictions of the Moon is a 5000-year-old rock carving Orthostat 47 at Knowth, Ireland. [27] The Greek word for the Moon does however provide us with the prefix seleno-, as in selenography, the study of the physical features of the Moon, as well as the element name selenium.[28][29]. This atmosphere, sourced from gases ejected from lunar volcanic eruptions, was twice the thickness of that of present-day Mars. Nach anfänglichen Streitereien begreifen der jüngere und der ältere Sam, was in der Station vor sich geht, und kooperieren. NASA is promising 2 astronauts -- a man and a woman -- … During new moon, the near side is dark. [31] Several forming mechanisms have been proposed,[32] including the fission of the Moon from Earth's crust through centrifugal force[33] (which would require too great an initial rotation rate of Earth),[34] the gravitational capture of a pre-formed Moon[35] (which would require an unfeasibly extended atmosphere of Earth to dissipate the energy of the passing Moon),[34] and the co-formation of Earth and the Moon together in the primordial accretion disk (which does not explain the depletion of metals in the Moon). Months are traditionally determined by the visual sighting of the hilal, or earliest crescent moon, over the horizon.[279]. [58] The final liquids to crystallise would have been initially sandwiched between the crust and mantle, with a high abundance of incompatible and heat-producing elements. [107] In 2009, LCROSS sent a 2,300 kg (5,100 lb) impactor into a permanently shadowed polar crater, and detected at least 100 kg (220 lb) of water in a plume of ejected material. The Moon's far side has a crust that is 50 km (31 mi) thicker than that of the near side. [41][42][43][44] Other bodies of the inner Solar System such as Mars and Vesta have, according to meteorites from them, very different oxygen and tungsten isotopic compositions compared to Earth. [166] Measurements from laser reflectors left during the Apollo missions (lunar ranging experiments) have found that the Moon's distance increases by 38 mm (1.5 in) per year[167] (roughly the rate at which human fingernails grow). The Moon makes a complete orbit around Earth with respect to the fixed stars about once every 27.3 days[g] (its sidereal period). These figures were greatly improved by Ptolemy (90–168 AD): his values of a mean distance of 59 times Earth's radius and a diameter of 0.292 Earth diameters were close to the correct values of about 60 and 0.273 respectively. Once launchers had the necessary capabilities, these nations sent uncrewed probes on both flyby and impact/lander missions. [133] These gases either return into the regolith because of the Moon's gravity or are lost to space, either through solar radiation pressure or, if they are ionized, by being swept away by the solar wind's magnetic field. The Moon formed 4.51 billion years ago,[f] or even 100 million years earlier, some 50 million years after the origin of the Solar System, as new research suggests. [138] From images taken by Clementine in 1994, it appears that four mountainous regions on the rim of the crater Peary at the Moon's north pole may remain illuminated for the entire lunar day, creating peaks of eternal light. The Moon was likely formed after a Mars-sized body collided with Earth. This is thought to be because the Moon fused from two different bodies. [125], The Moon has an atmosphere so tenuous as to be nearly vacuum, with a total mass of less than 10 tonnes (9.8 long tons; 11 short tons). Dust particle counts peaked during the Geminid, Quadrantid, Northern Taurid, and Omicron Centaurid meteor showers, when the Earth, and Moon, pass through comet debris. A prize of $20 million was to be awarded to the first private venture to get to the Moon with a robotic lander by the end of March 2018, with additional prizes worth $10 million for further milestones. [60], The topography of the Moon has been measured with laser altimetry and stereo image analysis. Its composition is not well understood, but is probably metallic iron alloyed with a small amount of sulfur and nickel; analyses of the Moon's time-variable rotation suggest that it is at least partly molten. 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