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

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

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...

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...

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

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...

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...

of flight of ultrashort pulses of light to satellites equipped with retroreflectors. This provides instantaneous range measurements of millimeter level...

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

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

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

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

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...

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

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...

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...

investigate the apartment block ghost, which they learn is a kaiju wearing a retroreflector suit to appear invisible. As it rampages through the city, they escape...

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

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...

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...

reflectivity or reflectance of reflecting surfaces Time-domain reflectometer Retroreflector This disambiguation page lists articles associated with the title Reflectometer...

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

curve fitting PRISM (reactor), a small nuclear power plant design A retroreflector, used in surveying Prism Rail, a British passenger rail company Prism...

sealed beam Rear position lights Reversing lights Safety reflector retroreflector Stop lights Turn signals trafficators Display Decorative Aroma lamp...

Reticle – Aim markings in optical devices, e.g. crosshairs Radio plate Retroreflector – Device to reflect radiation back to its source Scaphe – Sundial said...

2.28×10−4. The placement of 3 retroreflectors on the Moon by the Lunar Laser Ranging experiment and 2 retroreflectors by Lunokhod rovers allowed accurate...

issued to John Joseph Hooker in 1887. Physics portal Corner reflector Retroreflector University, Drexel. "Artist's inspiration: How robot soccer led to a...

musical reflection on the infinity mirror effect. Corner reflector – Retroreflector with three orthogonal, intersecting flat surfaces Kaleidoscope – Optical...