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39 relations: Altitude, Apollo 11, Apollo 14, Apollo 15, Apollo 16, Apollo Command/Service Module, Apollo Lunar Module, Apollo program, Apsis, Astronomy, Circumlunar trajectory, Earth, Elliptic orbit, Encyclopedia Astronautica, Far side of the Moon, Free-return trajectory, Frozen orbit, LADEE, List of lunar deities, List of mountains on the Moon, List of orbits, Lists of space programs, Luna 1, Luna 10, Luna 3, Lunar Orbiter 1, Mass concentration (astronomy), Micrometeoroid, Moon, NASA, Orbit, Orbit of the Moon, Orbital inclination, Orbital mechanics, Perturbation (astronomy), Soviet Union, Space rendezvous, Spacecraft, United States.
Altitude
Altitude or height (sometimes known as depth) is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, atmospheric pressure, and many more).
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Apollo 11
Apollo 11 was the spaceflight that landed the first two humans on the Moon.
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Apollo 14
Apollo 14 was the eighth manned mission in the United States Apollo program, and the third to land on the Moon.
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Apollo 15
Apollo 15 was the ninth manned mission in the United States' Apollo program, the fourth to land on the Moon, and the eighth successful manned mission.
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Apollo 16
Apollo 16 was the tenth manned mission in the United States Apollo space program, the fifth and penultimate to land on the Moon and the first to land in the lunar highlands.
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Apollo Command/Service Module
The Command/Service Module (CSM) was one of the two United States '''Apollo''' spacecraft, used for the Apollo program which landed astronauts on the Moon between 1969 and 1972.
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Apollo Lunar Module
The Lunar Module (LM, pronounced "Lem"), originally designated the Lunar Excursion Module (LEM), was the lander portion of the Apollo spacecraft built for the US Apollo program by Grumman Aircraft to carry a crew of two from lunar orbit to the surface and back.
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Apollo program
The Apollo program, also known as Project Apollo, was the third United States human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which accomplished landing the first humans on the Moon from 1969 to 1972.
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Apsis
An apsis (ἁψίς; plural apsides, Greek: ἁψῖδες) is an extreme point in the orbit of an object.
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Astronomy
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
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Circumlunar trajectory
A circumlunar trajectory, trans-lunar trajectory or lunar free return is a type of free return trajectory which takes a spacecraft from Earth, around the far side of the Moon, and back to Earth using only gravity once the initial trajectory is set.
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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Elliptic orbit
In astrodynamics or celestial mechanics, an elliptic orbit or elliptical orbit is a Kepler orbit with an eccentricity of less than 1; this includes the special case of a circular orbit, with eccentricity equal to 0.
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Encyclopedia Astronautica
The Encyclopedia Astronautica is a reference web site on space travel.
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Far side of the Moon
The far side of the Moon (sometimes figuratively known as the dark side of the Moon) is the hemisphere of the Moon that always faces away from Earth.
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Free-return trajectory
A free-return trajectory is a trajectory of a spacecraft traveling away from a primary body (for example, the Earth) where gravity due to a secondary body (for example, the Moon) causes the spacecraft to return to the primary body without propulsion (hence the term free).
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Frozen orbit
In orbital mechanics, a frozen orbit is an orbit for an artificial satellite in which natural drifting due to the central body's shape has been minimized by careful selection of the orbital parameters.
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LADEE
The Lunar Atmosphere and Dust Environment Explorer (LADEE) was a NASA lunar exploration and technology demonstration mission.
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List of lunar deities
In mythology, a lunar deity is a god or goddess associated with, or symbolic of the moon.
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List of mountains on the Moon
This is a list of named mountains on the Moon.
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List of orbits
The following is a list of types of orbits.
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Lists of space programs
Lists of space programs include.
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Luna 1
Luna 1, also known as Mechta (Мечта, lit.: Dream), E-1 No.4 and First Lunar Rover, was the first spacecraft to reach the vicinity of the Earth's Moon, and the first spacecraft to be placed in heliocentric orbit.
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Luna 10
Luna 10 (E-6S series) was a 1966 Soviet Luna program, robotic spacecraft mission, also called Lunik 10.
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Luna 3
Luna 3, or E-2A No.1 was a Soviet spacecraft launched in 1959 as part of the Luna programme.
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Lunar Orbiter 1
The Lunar Orbiter 1 unmanned robotic spacecraft, part of the Lunar Orbiter Program, was the first American spacecraft to orbit the Moon.
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Mass concentration (astronomy)
In astronomy and astrophysics, a mass concentration (or mascon) is a region of a planet or moon's crust that contains a large positive gravitational anomaly.
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Micrometeoroid
A micrometeoroid is a tiny meteoroid; a small particle of rock in space, usually weighing less than a gram.
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Moon
The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.
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NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
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Orbit
In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.
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Orbit of the Moon
The Moon orbits Earth in the prograde direction and completes one revolution relative to the stars in about 27.322 days (a sidereal month) and one revolution relative to the Sun in about 29.530 days (a synodic month).
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Orbital inclination
Orbital inclination measures the tilt of an object's orbit around a celestial body.
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Orbital mechanics
Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other spacecraft.
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Perturbation (astronomy)
In astronomy, perturbation is the complex motion of a massive body subject to forces other than the gravitational attraction of a single other massive body.
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Soviet Union
The Soviet Union, officially the Union of Soviet Socialist Republics (USSR) was a socialist state in Eurasia that existed from 1922 to 1991.
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Space rendezvous
A space rendezvous is an orbital maneuver during which two spacecraft, one of which is often a space station, arrive at the same orbit and approach to a very close distance (e.g. within visual contact).
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Spacecraft
A spacecraft is a vehicle or machine designed to fly in outer space.
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United States
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
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Redirects here:
Low Lunar orbit, Lunar Orbit Insertion, Lunar orbit insertion, Pericynthion, Selenocentric orbit.
References
[1] https://en.wikipedia.org/wiki/Lunar_orbit
