NASA Project Ranger has made possible the greatest single advance in lunar knowledge since Galileo first studied the moon through a telescope more than three centuries ago. Ranger telecasts to earth revealed lunar surface features as little as 10 inches across. In contrast, even the most powerful telescopes on earth enable man to discern lunar features no smaller in size than a half mile.
NASA Facts. Project Ranger. Volume II Number 6
1965
12 pages
Report
No indication
English
Unmanned Spacecraft , Extraterrestrial Exploration , Astronomy & Celestial Mechanics , Lunar surface , Lunar photography , Telecasts , Television systems , Spacecraft , Lunar photographs , Lunar exploration , Lunar probes , Moon , Lunar astronomy , Project Ranger , National Aersnautics and Space Administration (NASA) , Lunar landing sites
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