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The success of Gus Grissom and John Young’s Gemini 3 flight paved the way for long duration space missions. The longest U.S. manned space flight to date was Gordon Cooper’s 34 hour Mercury flight. The Soviets, however, had four long duration flights to their credit, ranging from 70 to 119 hours. It was time for the US to attempt a long duration flight.
James A. McDivitt
Edward White II
Gemini 4 Crew
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In total Ranger 9 transmitted 5,814 good contrast photographs during the final 19 minutes of flight. The last image taken before impact had a resolution of 0.3 meters per pixel. The spacecraft encountered the lunar surface after 64.5 hours of flight. Impact occurred at 14:08:19 UT right on target in the Alphonsus crater. Impact velocity was 2.67 km/s. The spacecraft performance was excellent.
Ranger Block 3 Design
Ranger 8 Launch
First Ranger 8 Pic
Sea of Tranquillity
By Dave.
Rilles on Alphonus Crater
Intelsat I (Early Bird)
Delta-D with Intelsat I
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Mariner 4’s primary objective was to conduct closeup scientific observations of Mars and to transmit these observations to Earth. Additional goals included performing field and particle measurements in interplanetary space, and providing experience and knowledge of engineering capabilities for interplanetary flights of long duration…
Mariner 4
Launch on Atlas-Agena
Mariner 4’s Photo Path
Mariner Crater on Mars
Highland Craters
Mars Image given to President Johnson
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You may recall from episode 32 Ranger- 4 was the first U.S. spacecraft to reach another celestial body. However, Ranger-4 failed it primary mission of returning pictures from the moon…
The Moon From Ranger-7
The Moon From Ranger-7
Ranger-7 Block III Design
Nimbus-1
Lucky Peanuts By Dave
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