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a distance roughly 30 times the width of Earth. It completes an orbit (lunar month) in relation to Earth and the Sun (synodically) every 29.5 days. The...

landed their Apollo Lunar Module (LM) on July 20, 1969, and walked on the lunar surface, while Michael Collins remained in lunar orbit in the command...

A Moon landing or lunar landing is the arrival of a crewed or robotic spacecraft on the Moon. The first human-made object to touch the Moon was Luna 2...

Moon for the first time since the Apollo program and building a permanent lunar base. It was formally established via Space Policy Directive-1 in 2017 by...

A lunar eclipse, also called a blood moon, is an astronomical event that occurs when the Moon orbits through Earth's shadow.‍‍ Lunar eclipses occur during...

life-support system. The crew, supported by backup systems on the Apollo Lunar Module, instead looped around the Moon in a circumlunar trajectory and returned...

al-hijrī), also known in English as the Islamic calendar, is a lunar calendar consisting of 12 lunar months in a year of 354 or 355 days. It is used to determine...

A lunar phase or Moon phase is the apparent shape of the Moon's day and night phases of the lunar day as viewed from afar. Because the Moon is tidally...

recent time humans have set foot on the Moon. Commander Gene Cernan and Lunar Module Pilot Harrison Schmitt walked on the Moon, while Command Module Pilot...

Apollo Lunar Module (LM /ˈlɛm/), originally designated the Lunar Excursion Module (LEM), was the lunar lander spacecraft that was flown between lunar orbit...

high-definition photos taken by the Lunar Reconnaissance Orbiter (LRO) of the Apollo landing sites have captured the Lunar Module descent stages and the tracks...

A lunar calendar is a calendar whose months record the cycles of the Moon's phases (synodic months, lunations). This in contrast to solar calendars, whose...

Apollo 15 saw the first use of the Lunar Roving Vehicle. The mission began on July 26 and ended on August 7, with the lunar surface exploration taking place...

The Lunar Gateway was a planned space station that would have been assembled in orbit around the Moon as part of the Artemis program. Derived from earlier...

Commander Charles "Pete" Conrad and Lunar Module Pilot Alan L. Bean completed just over one day and seven hours of lunar surface activity while Command Module...

distance from the center of Earth to the center of the Moon. In contrast, the Lunar distance (LD or Δ ⊕ L {\textstyle \Delta _{\oplus L}} ), or Earth–Moon characteristic...

exploration of the Moon beginning in 1959. The first partially successful lunar mission was Luna 1 in January 1959, which became the first probe to escape...

for timekeeping based on sidereal year for solar cycle and adjustment of lunar cycles in every three years, but differ in their relative emphasis to moon...

calendars involve correlations of the cycles of the sun (solar) and the moon (lunar). The first lunisolar calendar was the Zhou calendar (周曆; 周历), introduced...

flew nine lunar missions between December 1968 and December 1972. During six successful two-man landing missions, twelve men walked on the lunar surface...