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Lunar Orbiter. Series of spacecraft designed to orbit the Moon, taking pictures and obtaining data in support of the subsequent staffed Apollo landings. The U.S. launched five Lunar Orbiters between Aug. 10, 1966, and Aug. 2, 1967.

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Notable Unstaffed Lunar and Interplanetary Probes

  • Notable Unstaffed Lunar and Interplanetary Probes

TrendingHere are the facts and trivia that people are buzzing about.

Did Birds Evolve from Dinosaurs?

The Twelve Dancing Princesses

Current Events This Week: January 2023

African Americans by the Numbers

Andersen’s Fairy Tales: Contents

The Celtic Twilight: A Teller of Tales

TrendingHere are the facts and trivia that people are buzzing about.

Did Birds Evolve from Dinosaurs?

The Twelve Dancing Princesses

Current Events This Week: January 2023

African Americans by the Numbers

Andersen’s Fairy Tales: Contents

The Celtic Twilight: A Teller of Tales

  • Did Birds Evolve from Dinosaurs?
  • The Twelve Dancing Princesses
  • Current Events This Week: January 2023
  • African Americans by the Numbers
  • Andersen’s Fairy Tales: Contents
  • The Celtic Twilight: A Teller of Tales