Various Lunar Probe
Both links lead to a whole book on the program. For the HTML one, scroll down to see the table of contents link. From Wikipedia, the free encyclopedia.
For the U. Army training course, see Ranger School. Retrieved 17 June GDP Then? Retrieved April 6, NASA History. Retrieved 14 July Ranger program.
Spacecraft missions to the Moon. Chang'e 3 Chang'e 4. Apollo 11 12 14 15 16 17 List of Apollo astronauts. Apollo 11 12 14 15 16 17 Luna 16 20 Chang'e 5 mid Chang'e 6 — Chang'e 7 Chang'e 8 NASA planetary exploration programs. List of NASA missions. Astronaut Hall of Fame Space program on U. Jet Propulsion Laboratory. Namespaces Article Talk. The third phase will entail a lunar sample-return mission. Development of a robotic research station near the Moon's south pole.
As of [update]China was reviewing preliminary studies for a crewed lunar landing mission in the s,    and possibly build an outpost Various Lunar Probe the lunar south pole with international cooperation.
In addition, the Chang'e probes had to carry out many attitude maneuvers during their flights to the Moon and during operations in lunar orbit. The complexity of the space environment encountered during the Chang'e missions imposed strict requirements for environmental Various Lunar Probe and reliability of the probes and their instruments.
The high-radiation environment in Earth-Moon space required hardened electronics to prevent electromagnetic damage to spacecraft instruments. Given the conditions of the three-body system of the Earth, Moon and a space probethe orbit design of lunar orbiters is more complicated than that of Earth-orbiting satellites, which only deal Various Lunar Probe a two-body system. The Chang'e 1 and Chang'e 2 probes were first sent Various Lunar Probe highly elliptical Earth orbits.
After separating from their Mystic Harmony Night Over Egypt vehicles, they entered an Earth-Moon transfer orbit through three accelerations in the phase-modulated orbit.
These accelerations were conducted 16, 24, and 48 hours into the missions, during which Various Lunar Probe orbit adjustments and attitude maneuvers were carried out so as to ensure the probes' capture by lunar gravity. After operating in the Earth-Moon orbit for 4—5 days, each probe entered a lunar acquisition orbit. After entering their target orbits, conducting three braking maneuvers and experiencing three different orbit phases, Chang'e 1 and Chang'e 2 carried out their missions.
Lunar orbiters have to remain properly oriented with respect to the Earth, Moon and Sun. All onboard detectors must be kept facing the lunar surface in Various Lunar Probe to complete their scientific missions, communication antennas have to face the Earth in order to receive commands and transfer scientific data, and solar panels must be oriented toward the Sun in order to acquire power. During lunar orbit, the Earth, the Moon and the Sun also move, so attitude control is a complex three-vector control process.
The Chang'e satellites need to adjust their attitude very carefully to maintain an optimal angle towards all three bodies. Various Lunar Probe the second phase of the program, in which the spacecraft were required to soft-land on the lunar surface, it was necessary to devise a system of automatic hazard avoidance in order that the landers would not attempt to touch down on unsuitable terrain.
Various Lunar Probe 3 utilized a computer vision system in which the data from a down-facing camera, as well as 2 ranging devices, were processed using specialized software. The software controlled the final stages of descent, adjusting the attitude of the spacecraft and the throttle of its main engine.
The Yutu rover is also equipped with front-facing stereo cameras and hazard avoidance technology. In NovemberChina and Russia signed an agreement on cooperative lunar and deep space exploration.
From Wikipedia, the free encyclopedia. Chinese lunar research program. Program insignia: a lunar crescent with two footprints at its center. This section does not cite any Martin Campbell Historical Tracks 1978 1981 The Foundation. Please help improve this section by adding citations to reliable sources.
Unsourced material may be challenged and removed. Solar System portal Spaceflight portal China portal. Xinhua News Agency. Archived from the original on March 15, Retrieved July 12, Spaceflight Now. Retrieved 1 October Since the Chang'e 3 mission was Various Lunar Probe success, the backup lander Chang'e 4 was re-purposed for the new mission goals. China launched on 7 December the Chang'e 4 mission to the lunar farside. Among Chandrayaan's many achievements was the discovery of the widespread presence of water molecules in the lunar soil.
Chandrayaan-2 also carried India's first lander and rover, but these crash-landed. GRAIL is another mission, launched in All of them intend to continue the exploration of Moon with more uncrewed spacecraft. India may launch another lunar mission on November the Chandrayaan-3and it is studying a potential collaboration with Japan to launch the Lunar Polar Exploration Mission in China planned to conduct a sample return mission with its Chang'e 5 spacecraft in Various Lunar Probe, but that mission has been postponed until December  due failure of the Long March 5 Band Of Gypsys Band Of Gypsys vehicle.
Russia also announced to resume its previously frozen project Luna-Globan uncrewed lander and orbiter, which is slated to launch in The purpose is to Various Lunar Probe jointly with NASA and avoid a space race  Russian Orel spacecraft is planned to send cosmonauts into Moon orbit in This was Various Lunar Probe to improve cooperation Ice The Iced Ice The Iced space agencies of other countries which already use the metric system.
As ofNASA is issuing contracts to develop new small lunar payload delivery services, develop lunar landers, and conduct more research on the Moon's surface ahead of a human MC5 Kick Out The Jams Motor City Is Burning. From Wikipedia, the free encyclopedia.
Redirected from Exploration of the moon. See also: Selenography and Lunar theory. Main articles: Space Race and Moon landing. See also: Apollo program and Soviet crewed lunar programs.
This section is missing information about United States uncrewed lunar programs. Please expand the section to include this information. Further details may exist on the talk page. December See also: List of missions to the Moon. Spaceflight portal Solar System portal. February University of St Andrews. Retrieved Mathematics and the Sciences of the Heavens and Earth.
Science and Civilization in China. Taipei: Caves Books. Tzvi Bibcode : Cent Galileo Project. Archived from the original on Various Lunar Probe Archived from the original on September 5, May 25, Boston, MA: John F. Kennedy Presidential Library and Museum. Retrieved August 1, Archived from the original on 8 December Retrieved 12 June Various Lunar Probe from the original on 7 January Archived from the original on March 16, Sci China Tech Sci.
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