Laser Beam Bounced Between Lunar Surface and Orbit

NASA and JAXA Collaborate on the Experiment

SLIM on the lunar surface captured by the LEV-2 (SORA-Q) rover.

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 return signal.

“LRO’s altimeter wasn’t built for this type of application, so the chances of…