Lunar orbit rendezvous (LOR) is a process for landing humans on the Moon and returning them to Earth. It was utilized for the Apollo program missions in...

rendezvous (/ˈrɒndeɪvuː/) is a set of orbital maneuvers during which two spacecraft, one of which is often a space station, arrive at the same orbit and...

vehicle in low Earth orbit. It was considered as an alternative to direct ascent but ultimately rejected in favor of lunar orbit rendezvous (LOR) for NASA's...

spaceflight, a lunar orbit (also known as a selenocentric orbit) is an orbit by an object around Earth's Moon. In general these orbits are not circular...

different rendezvous possibilities. The alternatives included Earth-orbital rendezvous (EOR), lunar-orbital rendezvous (LOR), Earth and lunar rendezvous, and...

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

an aerospace engineer credited with leading the team behind the lunar orbit rendezvous (LOR) mission mode, a concept that was used to successfully land...

design was based on the lunar orbit rendezvous approach: two docked spacecraft were sent to the Moon and went into lunar orbit. While the LM separated...

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 and...

to Lunar orbit rendezvous (LOR) used on the United States NASA Apollo program missions to Earth's moon during 1969 to 1972, as opposed to Earth orbit rendezvous...

the planned use of a NRHO for orbital rendezvous between the Orion spacecraft and a lunar lander. Animations of the Lunar Gateway NRHO Whitley, Ryan J...

launched back to lunar orbit, carrying samples collected by the lander, and completed the first-ever robotic rendezvous and docking in lunar orbit. The sample...

decision was choosing lunar orbit rendezvous over both direct ascent and Earth orbit rendezvous. A space rendezvous is an orbital maneuver in which two...

and moved that Lunar Orbit Rendezvous (LOR) was the best option for landing a crew on the Moon, the method eventually used on Apollo lunar landing missions...

under which a two-crew spacecraft would rendezvous with other components in Earth orbit to assemble a lunar flyby excursion vehicle. The components would...

minutes later, it entered 15*180km lunar orbit. With 4 more orbital maneuvers, it will climb to 210km lunar orbit to rendezvous with the returner" (Tweet) –...

Earth orbit and send 32,000 kg (70,000 lb) to the Moon via trans-lunar injection. It met the initial requirements for a lunar orbit rendezvous and lunar landing...

Apollo program, helping to lead NASA to the decision in favor of lunar orbit rendezvous and supporting "all up" testing of the Saturn V rocket. While sometimes...

either the direct ascent or Earth orbit rendezvous, the working group instead selected a third option, Lunar Orbit Rendezvous (LOR). LOR had a mass requirement...

the Moon or as heavy-lift derivatives for Earth orbit rendezvous. Ultimately, the lunar orbit rendezvous ("LOR") concept approved in 1962 rendered the C-8...

concept of Lunar orbit rendezvous for the Apollo program while working at Vought Astronautics. Dolan referred to his LOR study concept as Manned Lunar Landing...

transmission. 1962 – Project Apollo: At a press conference, NASA announces lunar orbit rendezvous as the means to land astronauts on the Moon, and return them to...

Earth Orbit Rendezvous, which would have involved at least two launches to assemble the direct-landing and return vehicle in orbit; and Lunar Orbit Rendezvous...

three methods for the Moon mission: Earth orbit rendezvous (EOR), direct ascent, and lunar orbit rendezvous (LOR). A direct ascent configuration would...

the addition of various missions, including crewed low Earth orbit, circumlunar and lunar landing missions. Gemini was the second crewed spaceflight program...

velocity, changing its orbit from a circular low Earth orbit to a highly eccentric orbit. As the spacecraft begins coasting on the lunar transfer arc, its...

designed before the lunar orbit rendezvous landing strategy was chosen; therefore it lacked the capability of docking with the lunar module. This was incorporated...

featured prominently on the mission insignia. It flew from Earth to lunar orbit on the command module Columbia, and then was flown to the Moon on July...

carrier rocket, and subsequently acquire lunar orbit under its own power. It then will await a lunar orbit rendezvous with and docking by the separately launched...

and 1960s, planned to adopt the same lunar orbit rendezvous concept as seen in the Apollo programme. The lunar expedition spacecraft L3 was to consist...