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Pages in category "Satellites orbiting the Moon" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. A.
AS11-40-5952: Lunar Laser Ranging Experiment as left on the Moon by Apollo 11 Plot of arrival time of photons (Y axis) for each of many laser pulses sent to the Moon (X axis). This data, along with similar data from the other landing sites, shows there are man-made objects on the Moon in the locations of the Apollo landings.
The United States Space Surveillance Network (SSN) detects, tracks, catalogs and identifies artificial objects orbiting Earth, e.g. active/inactive satellites, spent rocket bodies, or fragmentation debris. The system is the responsibility of United States Space Command and operated by the United States Space Force and its functions are:
The orbit of the Moon is a nearly circular ellipse about the Earth (the semimajor and semiminor axes are 384,400 km and 383,800 km, respectively: a difference of only 0.16%). The equation of the ellipse yields an eccentricity of 0.0549 and perigee and apogee distances of 362,600 km (225,300 mi) and 405,400 km (251,900 mi) respectively (a ...
Deep Space Climate Observatory ( DSCOVR; formerly known as Triana, unofficially known as GoreSat [3]) is a National Oceanic and Atmospheric Administration (NOAA) space weather, space climate, and Earth observation satellite. It was launched by SpaceX on a Falcon 9 v1.1 launch vehicle on 11 February 2015, from Cape Canaveral. [4]
The Moon is Earth's only natural satellite.It orbits at an average distance of 384,400 km (238,900 mi), about 30 times the diameter of Earth. Tidal forces between Earth and the Moon have over time synchronized the Moon's orbital period (lunar month) with its rotation period at 29.5 Earth days, causing the same side of the Moon to always face Earth.
Apollo program. The Apollo program, also known as Project Apollo, was the United States human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which succeeded in preparing and landing the first men [ 2] on the Moon from 1968 to 1972.
On 20 July 1969 Apollo 11 landed on the Moon, during which Neil Armstrong became the first person to walk on the Moon. At the same time another mission, the robotic sample return mission Luna 15 by the Soviet Union had been in orbit around the Moon, becoming together with Apollo 11 the first ever case of two extraterrestrial missions being ...
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