Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

The LuGRE receiver acquired and tracked GPS and Galileo satellite signals in lunar orbit on Feb. 19, operating at 63 Earth radii (approximately 401,814 km from Earth). Developed by Qascom for the ...