Apollo 13

Also known as Apollo XIII

Apollo 13 was the seventh crewed mission in the Apollo space program and would have been the third Moon landing. The craft was launched from Kennedy Space Center on April 11, 1970, but the landing was aborted after an oxygen tank in the service module (SM) exploded two days into the mission, disabling its electrical and life-support system. The crew, supported by backup systems on the Apollo Lunar Module, instead looped around the Moon in a circumlunar trajectory and returned safely to Earth on April 17. The mission was commanded by Jim Lovell, with Jack Swigert as command module (CM) pilot and Fred Haise as Lunar Module (LM) pilot. Swigert was a late replacement for Ken Mattingly, who was grounded after exposure to rubella.

AI overview

Apollo 13 was a 1970 Moon mission that experienced a critical oxygen tank explosion two days after launch, forcing the crew to abandon their landing plans and use the lunar module's backup systems to survive the journey around the Moon and return home safely. The mission matters because it demonstrated how astronauts and ground control could work together to overcome a life-threatening crisis in space, turning a potential disaster into a successful recovery.

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Wikidata facts

Official name: Apollo 13
Duration: 514481
Mass: 5049.8
Image: Apollo 13 passing Moon.jpg

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Commons category: Apollo 13
UTC date of spacecraft launch: 1970-04-11
Commons gallery: Apollo 13
UTC date of spacecraft landing: 1970-04-17
call sign: Aquarius

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Article

Apollo 13 (April 11–17, 1970) was the seventh crewed mission in the Apollo space program and would have been the third Moon landing. The craft was launched from Kennedy Space Center on April 11, 1970, but the landing was aborted after an oxygen tank in the service module (SM) exploded two days into the mission, disabling its electrical and life-support system. The crew, supported by backup systems on the Apollo Lunar Module, instead looped around the Moon in a circumlunar trajectory and returned safely to Earth on April 17. The mission was commanded by Jim Lovell, with Jack Swigert as command module (CM) pilot and Fred Haise as Lunar Module (LM) pilot. Swigert was a late replacement for Ken Mattingly, who was grounded after exposure to rubella.

A routine stir of an oxygen tank ignited damaged wire insulation inside it, causing an explosion that vented the contents of both of the SM's oxygen tanks to space. Without oxygen, needed for breathing and for generating electrical power, the SM's propulsion and life support systems could not operate. The CM's systems had to be shut down to conserve its remaining resources for reentry, forcing the crew to transfer to the LM as a lifeboat. With the lunar landing canceled, mission controllers worked to bring the crew home alive.