June 26 (UPI) --Scientists have developed a superior sound-reflecting material. The "retroreflector" technology can bounce back sound waves in the direction they came from. Previous retroreflectors ...

NASA's LRO (Lunar Reconnaissance Orbiter) has twice transmitted a laser pulse to a cookie-sized retroreflector aboard JAXA's (Japan Aerospace Exploration Agency) SLIM lander on the moon and received a ...

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Mirror, mirror on the moon, how far away are you? MoonLIGHT, or Moon Laser Instrumentation for General relativity/geophysics High-accuracy Tests, is seeking the answer to this and more questions on ...

Using information provided by NASA’s Lunar Reconnaissance Orbiter (LRO) instrument teams, researchers at the University of California, San Diego, have successfully pinpointed the location of a ...

On January 24, NASA reported a significant achievement in lunar exploration, as its spacecraft successfully utilized a laser instrument to ping the Vikram lander of India’s Chandrayaan-3 mission. This ...

Apollo astronauts set up mirror arrays, or "retroreflectors," on the moon to accurately reflect laser light beamed at them from Earth with minimal scattering or diffusion. Retroreflectors are mirrors ...