Lunar escape systems (LESS) were a series of emergency vehicles designed for never-flown long-duration Apollo missions. Because these missions were more...

number of simple Lunar Escape Systems as a means of returning two astronauts from the lunar surface to an orbiting CSM if the Lunar Module ascent-stage...

lunar polar orbiter as Luna 26, in 2027. List of Apollo astronauts Lunar Escape Systems Robert Goddard Soyuz 7K-L1 First on the Moon (disambiguation) "Manned...

electronic guidance systems, reaction control system, radar and communications antennas, ascent rocket engine and propellant to return to lunar orbit and rendezvous...

United States Apollo Lunar Modules flown on lunar landing missions Apollo 11 through Apollo 17, to be left permanently on the lunar surface. The plaques...

engine throttle, while the Lunar Module pilot operated other spacecraft systems and kept the commander informed about systems status and navigational information...

framework that extends Scrum -less, a privative suffix in English Lunar Escape Systems, a series of proposed emergency spacecraft for the Apollo Program...

stowed in the LM, and it used the LM's communications systems to evaluate their performance before lunar operations began. This meant that the CM did not carry...

commercial exploitation of the US government space program. Before his Apollo 15 lunar mission, astronaut David Scott met Belgian painter and printmaker Paul Van...

– Inflatable ball-shaped space suit Lunar Escape Systems – Proposed system to rescue Apollo astronauts from lunar surface MOOSE means Manned Orbital Operations...

reminded about the package by Neil Armstrong while ascending the ladder of the Lunar Module Eagle to finish their EVA. He then dropped it to the surface. Later...

the Moon have synchronized the Moon's orbital period (lunar month) with its rotation period (lunar day) at 29.5 Earth days, causing the same side of the...

LEM Ascent Propulsion System, which was responsible for getting NASA's astronauts off the Moon. Bell Pogo Lunar Escape Systems AAM-N-5 Meteor ASM-A-1...

The Lunar Ejecta and Meteorites Experiment (LEAM) was a lunar science experiment that flew to the Moon on board Apollo 17 in 1972. It collected information...

Lunar: Eternal Blue is a role-playing video game developed by Game Arts in association with Studio Alex for the Sega CD as the sequel to Lunar: The Silver...

LEO, 4.1 and 3.8 for LEO to lunar orbit (or L5) and GEO resp., 0.7 for L5 to lunar orbit, and 2.2 for lunar orbit to lunar surface. Figures come from Chapter...

A trans-lunar injection (TLI) is a propulsive maneuver, which is used to send a spacecraft to the Moon. Typical lunar transfer trajectories approximate...

Command/Service Module (CSM) and Lunar Module (LM) spacecraft into space, and the Little Joe II rocket to test a launch escape system which was expected to carry...

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...

In celestial mechanics, escape velocity or escape speed is the minimum speed needed for an object to escape from contact with or orbit of a primary body...

mission, disabling its electrical and life-support system. The crew, supported by backup systems on the lunar module (LM), instead looped around the Moon in...

In astronomy and spaceflight, a lunar orbit (also known as a selenocentric orbit) is an orbit by an object around Earth's Moon. In general these orbits...

Lunar habitation is any human habitation on the Moon. Lunar habitation is provided by surface habitats, possibly as part of a moonbase. Lunar habitats...

as a result of the Moon's gravity; escape the Moon entirely if the particle is moving at or above the lunar escape velocity of 2.38 km/s (1.48 mi/s),...

Launch System (SLS) (as a reincarnation of Ares V). Other elements of the program, such as the Lunar Gateway space station and the Human Landing System, are...

Suprathermal Ion Detector Experiment (SIDE) was a lunar science experiment, first deployed by astronauts on the lunar surface in 1969 as part of Apollo 12, and...

The Lunar Polar Exploration Mission (LUPEX), also known as Chandrayaan-5 in India, is a planned joint lunar mission by the Indian Space Research Organisation...

known as CSM-106), Lunar Module 4 (LM-4), a spacecraft-lunar module adapter (SLA), numbered as SLA-13A, and a launch escape system. The SLA was a mating...

minor compared to the difference between lunar night and lunar day. At the lunar poles, instead of usual lunar days and nights of about 15 Earth days,...

The Soviet crewed lunar programs were a series of programs pursued by the Soviet Union to land humans on the Moon, in competition with the United States...