When a Soviet rover went silent on the Moon in 1971, scientists assumed it was gone for good — but nearly forty years later, the reflector strapped to its back answered a laser pulse from Earth as if no time had passed at all - Space Daily

When a Soviet rover went silent on the Moon in 1971, scientists assumed it was gone for good — but nearly forty years later, the reflector strapped to its back answered a laser pulse from Earth as if no time had passed at all Space Daily