How to Use retroreflector in a Sentence

retroreflector

noun

• Apollo astronauts installed retroreflectors — special mirrors designed to bounce light directly back toward its source—on the lunar surface.
  — Stefanie Waldek, Space.com, 2 July 2026
• There's a large body of physical evidence as well, including moon rocks, subsequent photos of the landing sites and the existence of a retroreflector that can bounce back beams from Earth.
  — Adam Carlson, PEOPLE, 30 Oct. 2025
• Since 1969, scientists have been aiming laser beams at these retroreflectors to precisely measure the distance from Earth to the Moon.
  — Encyclopedia Britannica, 14 May 2026
• An Italian laser retroreflector array on the lander is provided by the Laboratori Nazionali di Frascati.
  — Leonard David, Space.com, 20 Aug. 2026
• Synchronous flying The retroreflectors on LARES-2 are designed to reflect a beam of light exactly in the direction this beam came from.
  — Jacek Krywko, ArsTechnica, 10 July 2026
• The mission also carries instruments from Egypt, Switzerland, Bahrain and Italy; the latter country’s instrument is a small laser retroreflector on the lander that can be used to precisely measure distances from orbiters to the lunar surface.
  — Jonathan O'Callaghan, Scientific American, 20 Aug. 2026