Lunar Laser Ranging (LLR) is the practice of measuring the distance between the surfaces of the Earth and the Moon using laser ranging. The distance can...

average rate of 3.8 cm (1.5 in) per year, as detected by the Lunar Laser Ranging experiment. Because of the influence of the Sun and other perturbations...

The Laser Ranging Retroreflector (LRRR) is the first ever deployable lunar laser ranging experiment. It was carried on Apollo 11 as part of the Early...

and advancement of previous Lunar Laser Ranging experiments, which use retroreflectors on the Moon to track changes in lunar orbital distance and motion...

Spaceflight portal Apollo program Lunar laser ranging experiment Hexanitrostilbene, a vacuum stable explosive used in the ALSEP. Lunar Roving Vehicle List of artificial...

from laser ranging retro-reflectors (LRRRs, or arrays of corner-cube prisms used as targets for Earth-based tracking lasers) on Lunar Laser Ranging experiments...

Scientific research satellites Lunar Laser Ranging experiment – Measuring the distance between the Earth and the Moon with laser lightPages displaying short...

retroreflectors for the Lunar Laser Ranging experiments left there by the Apollo 11, 14, and 15 astronauts, Chandrayaan-3 lunar lander, and by the Soviet...

Investigator on the Apollo Program's Lunar Laser Ranging Experiment, which significantly restricted the possible range of spatial variation of the strength...

2010 laser ranging experiments by American scientists after research using images from the NASA Lunar Reconnaissance Orbiter. In both cases, laser pulses...

open lid in the front. Lunar Laser Ranging experiment List of artificial objects on the Moon List of missions to the Moon Lunar Retroreflectors Slava G...

water ice deposits. Lunar Orbiter Laser Altimeter (LOLA) The Lunar Orbiter Laser Altimeter investigation provides a precise global lunar topographic model...

15 missions left retroreflectors on the Moon as part of the Lunar Laser Ranging Experiment. The Soviet Lunokhod 1 and Lunokhod 2 rovers also carried smaller...

detection and ranging" or "laser imaging, detection, and ranging") is a method for determining ranges by targeting an object or a surface with a laser and measuring...

Apache Point telescopic pulsed-laser rangefinder. Lunokhod 2 continues to be detected by lunar laser ranging experiments and its position is known to sub-metre...

Passive Seismic Experiment Package used to measure moonquakes and a retroreflector array used for the lunar laser ranging experiment. Then Armstrong walked...

Laboratories of Frascati (INFN-LNF) to complement and expand on the Lunar Laser Ranging experiment started with the Apollo Program in 1969. MoonLIGHT was planned...

coordinate system has become more precisely defined due to the Lunar Laser Ranging Experiment. Anything past 90°E or 90°W would not be seen from Earth, except...

Apollo Lunar Surface Experiment Packages ALSEP, the modularized equipment transporter (MET) (a hand-pulled equipment cart used on Apollo 14), the Lunar Rover...

ELP2000 Ephemeris Jet Propulsion Laboratory Development Ephemeris Lunar Laser Ranging experiment Milankovitch cycles Orbital elements The geometric mean distance...

Remote Camera Tianwen-1 Deployable Camera 2 List of laser ranging satellites Lunar Laser Ranging experiment Balloon satellites Satellite geodesy "NASA - NSSDCA...

(collimation), a feature used in applications such as laser pointers and lidar (light detection and ranging). Lasers can also have high temporal coherence, which...

the Lunar Laser Ranging experiment and 2 retroreflectors by Lunokhod rovers allowed accurate measurement of the physical librations by laser ranging to...

they planted retroreflector arrays to make possible the Lunar Laser Ranging Experiment. Laser beams are focused through large telescopes on Earth aimed...

more precisely defined using the Lunar Laser Ranging Experiment. By convention these features are identified on lunar maps by placing the letter on the...

polarization of the lunar orbit. To test for the existence (or absence) of the Nordtvedt effect, scientists have used the Lunar Laser Ranging experiment, which is...

wide range of applications, from the study of fluorescent lifetimes and semiconductor properties to lunar laser ranging experiments. Tunable lasers are...

of the lunar surface, examine ambient light levels to determine the feasibility of astronomical observations from the Moon, perform laser ranging experiments...

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...

international workshops on the advanced theory and model of the Lunar Laser Ranging experiment. The LLR workshops were held in the International Space Science...