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Book Title: Genesis: The Story of Apollo 8, the First Manned Flight to Another World Author: Bob Zimmerman Segment 6: Trans-Lunar Journey: Primitive Tech and a Shrinking Earth

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Book Title: Genesis: The Story of Apollo 8, the First Manned Flight to Another World Author: Bob Zimmerman

Segment 6: Trans-Lunar Journey: Primitive Tech and a Shrinking Earth

Apollo 8 launched on December 21, 1968, the first day of its six-day window. After testing systems in Earth orbit, Capcom Mike Collins gave the "go" for Trans Lunar Injection (TLI), firing the upper stage engines to propel them towards the moon. The spacecraft's computer systems were primitive, inferior even to a Casio digital watch calculator; ground control dictated long strings of numbers for manual entry. As they left Earth, Jim Lovell described the view as "like being in a tunnel," with Earth shrinking rapidly from 25,000 miles per hour. Crucially, the SPS engine, essential for lunar orbit and return, had no redundancy, making its firing behind the moon a tense moment of Loss of Signal (LOS) for Earth-bound observers.
1851
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50905 episodes

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iconShare
 
Manage episode 504919646 series 96788
Content provided by Audioboom and John Batchelor. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Audioboom and John Batchelor or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.

Book Title: Genesis: The Story of Apollo 8, the First Manned Flight to Another World Author: Bob Zimmerman

Segment 6: Trans-Lunar Journey: Primitive Tech and a Shrinking Earth

Apollo 8 launched on December 21, 1968, the first day of its six-day window. After testing systems in Earth orbit, Capcom Mike Collins gave the "go" for Trans Lunar Injection (TLI), firing the upper stage engines to propel them towards the moon. The spacecraft's computer systems were primitive, inferior even to a Casio digital watch calculator; ground control dictated long strings of numbers for manual entry. As they left Earth, Jim Lovell described the view as "like being in a tunnel," with Earth shrinking rapidly from 25,000 miles per hour. Crucially, the SPS engine, essential for lunar orbit and return, had no redundancy, making its firing behind the moon a tense moment of Loss of Signal (LOS) for Earth-bound observers.
1851
  continue reading

50905 episodes

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