with issues involving a laser range finder causing landing problems that resulted in the Athena lander falling on its side on ...
NASA launched the Lunar Trailblazer ... utilisation. Laser Retroreflector Array (LRA): This instrument includes a set of ...
That dual instrument, known as Prime-1 (Polar ... able to bounce laser light back at any orbiting or incoming spacecraft – a vital capability to determine the locations of lunar landers more ...