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  2. Lunar Orbit and Landing Approach - Wikipedia

    en.wikipedia.org/wiki/Lunar_Orbit_and_Landing...

    Project LOLA, or Lunar Orbit and Landing Approach, was a simulator built at the NASA's Langley Research Center to study landing on the lunar surface. Built to aid the Apollo astronauts , it aimed to provide a detailed visual encounter with the Moon's landscape, costing nearly $2 million.

  3. Lunar Landing Research Vehicle - Wikipedia

    en.wikipedia.org/wiki/Lunar_Landing_Research_Vehicle

    The Bell Aerosystems Lunar Landing Research Vehicle (LLRV, nicknamed the Flying Bedstead) [1] was a Project Apollo era program to build a simulator for the Moon landings.The LLRVs were used by the FRC, now known as the NASA Armstrong Flight Research Center, at Edwards Air Force Base, California, to study and analyze piloting techniques needed to fly and land the Apollo Lunar Module in the Moon ...

  4. Lunar Landing Research Facility - Wikipedia

    en.wikipedia.org/wiki/Lunar_Landing_Research...

    The structure was used to facilitate "flying" a full-scale Lunar Excursion Module Simulator (LEMS). The LEMS was suspended from a 200-foot (61 m)-tall, 400-foot (120 m)-long A-frame gantry by an overhead bridge crane. The LEMS is now on display at the Virginia Air and Space Center.

  5. Lunar phase - Wikipedia

    en.wikipedia.org/wiki/Lunar_phase

    The Moon then wanes as it passes through the gibbous moon, third-quarter moon, and crescent moon phases, before returning back to new moon. The terms old moon and new moon are not interchangeable. The "old moon" is a waning sliver (which eventually becomes undetectable to the naked eye) until the moment it aligns with the Sun and begins to wax ...

  6. Libration - Wikipedia

    en.wikipedia.org/wiki/Libration

    The lunar phases and librations in 2019 in the Northern Hemisphere at hourly intervals, with music, titles, and supplemental graphics Simulated views of the Moon over one month, demonstrating librations in latitude and longitude. Also visible are the different phases, and the variation in visual size caused by the variable distance from the Earth.

  7. Metonic cycle - Wikipedia

    en.wikipedia.org/wiki/Metonic_cycle

    The traditional lunar year of 12 synodic months is about 354 days, approximately eleven days short of the solar year. Thus, every 2 to 3 years there is a discrepancy of 22 to 33 days, or a full synodic month. For example, if the winter solstice and the new moon coincide, it takes 19 tropical years for the coincidence to recur.

  8. Lunar regolith simulant - Wikipedia

    en.wikipedia.org/wiki/Lunar_regolith_simulant

    NASA Researchers view a demonstration of the moon dust simulator in the 8- by 6-Foot Supersonic Wind Tunnel facility at the NASA Lewis Research Center (1960). In the run-up to the Apollo program , crushed terrestrial rocks were first used to simulate the anticipated soils that astronauts would encounter on the lunar surface. [ 2 ]

  9. File:Lunar phase diagram.png - Wikipedia

    en.wikipedia.org/wiki/File:Lunar_phase_diagram.png

    English: Diagram of lunar phases. The lunar phase depends on the Moon's position in orbit around the Earth and the Earth's position in orbit around the sun. Graphics of the Earth and Moon were obtained from the NASA public domain images File:The Earth seen from Apollo 17.jpg and File:Moon_PIA00302.jpg