Free-return trajectory — Apollo 13, April 1970: Turning a Lander into a Lifeboat · Aristotree

sam_r84/Apollo 13, April 1970: Turning a Lander into a Lifeboat

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Free-return trajectory. 2 connected concepts: Apollo Lunar Module (related to), Jim Lovell (related to).

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Free-return trajectory

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Summary

Apollo 13’s crew used a trajectory around the Moon that enabled a return toward Earth after the accident. Apollo 13 used the lunar module’s engine to make course corrections for the journey home.

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Connections2

Lander engine adjusted course
Apollo 13 used the lunar module’s engine to make course corrections for the journey home.
SourcesWikipedia Wikipedia Source
Provided route back to Earth
Apollo 13’s crew used a trajectory around the Moon that enabled a return toward Earth after the accident.
SourcesWikipedia Wikipedia Source

Free-return trajectory image — Wikimedia

SourcesWikipedia Wikipedia and its contributors — authors and history CC BY-SA 4.0 Episode reference

Facts