A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects light or other radiation back to its source with minimum...

reflected back to Earth by the Moon's surface or by one of several retroreflectors installed on the Moon. Three were placed by the United States' Apollo...

Retroreflectors are devices which reflect light back to its source. Six retroreflectors were left at six sites on the Moon by three crews of the Apollo...

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 Apollo...

came. This configuration is similar to a cat's eye retroreflector. However a cat's eye retroreflector needs a refractive index of around 2, while water...

included a regolith adherence characterization experiment, a lunar retroreflector for precision distance measurements, a radiation-tolerant computer,...

astronauts deployed a retroreflector on February 5, 1971, and McDonald Observatory detected it the same day. The Apollo 15 retroreflector was deployed on July...

and some other animals. Lying immediately behind the retina, it is a retroreflector. It reflects visible light back through the retina, increasing the light...

mathematics (STEM), and landing its magnetometer, time capsule, and laser retroreflector on the Moon. The lander's gyroscopes failed on 11 April 2019 causing...

A corner reflector is a retroreflector consisting of three mutually perpendicular, intersecting flat reflective surfaces. It reflects waves incident from...

A safety reflector is a retroreflector intended for pedestrians, runners, motorized and non-motorized vehicles. A safety reflector is similar to reflective...

eyes act as a strong retroreflector, sometimes seen at night when walking in wildlands with a flashlight. A simple retroreflector can be made by placing...

Measuring tape Plane table Pole (surveying) Prism (surveying) (corner cube retroreflector) Prismatic compass (angle measurement) Ramsden surveying instruments...

orbits and a host of important scientific data. Some satellites have retroreflectors, but the method also works on space debris. Satellite laser ranging...

PrOP odometer/penetrometer, a RV-2N radiation detector, and a TL laser retroreflector. An urban legend was spread among the Soviet Union that the Lunokhod...

recorded. The presence of retroreflectors (mirrors used as targets for Earth-based tracking lasers) from the Laser Ranging Retroreflector Experiment (LRRR) is...

LRRR may refer to: Laser Ranging Retroreflector, for Lunar laser ranging Lrrr, a character in the TV series Futurama Land Rover Range Rover, a series of...

Reflector, a device that causes reflection (for example, a mirror or a retroreflector) Reflector (photography), used to control lighting contrast Reflecting...

design of BLITS is based on the optical Luneburg lens concept. The retroreflector is a multilayer glass sphere; it provides uniform reflection characteristics...

Reticle: aim markings in optical devices, e.g. crosshairs Radio plate Retroreflector: device to reflect radiation back to its source Scaphe: sundial said...

provided by numerous manufacturers for various applications. As with any retroreflector, sheeting glows brightly when there is a small angle between the observer's...

on the International Space Station (ISS). The Next Generation Lunar Retroreflectors (NGLR), which will serve as a target for lasers on Earth to precisely...

eliminates the need for an assistant staff member, as the operator holds the retroreflector and controls the total station from the observed point. In practice...

considerations, but as the stations' lunar laser ranging corner-cube retroreflector arrays are passive instruments, they are still being used. Apollo 17...

Moon's magnetic field at the landing site, and was carrying a laser retroreflector, and a "time capsule" containing analog and digital information, created...

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

Orbitography and Radiopositioning Integrated by Satellite (DORIS), Laser Retroreflector Array (LRA), and ARGOS data collection system. ISRO is responsible for...

back by a tiny NASA retroreflector on board the Vikram lander. The purpose of the experiment was to determine the retroreflector's surface location from...

total stations, robotic total stations, theodolites, GNSS receivers, retroreflectors, 3D scanners, lidar sensors, radios, inclinometer, handheld tablets...

measure the properties of trace gases using solar occultation. The Retroreflector in Space (RIS) and Interferometric Monitor for Greenhouse Gases (IMG)...