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Questions regarding Apollo 13 which is launched as a part of American Apollo space program by Saturn v from Kennedy Space Center in April 11, 1970 carrying three crew members but lunar landing was aborted because of rapture of oxygen tank and few technical problems after injection to orbit

18 votes
1 answer
2k views

What exactly makes the "bang-bang-bang-bang-bang-bang-bang!" sound just before "Houston, we ...

About seven seconds after "Capture!" and just before "Houston, we have hard dock" in the feature film Apollo 13 there are about seven loud bangs at about 3 Hz repetition. At this moment the spacecraft …
uhoh's user avatar
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2 votes
1 answer
460 views

What was the normal function of the (coax?) crosshairs used during the Apollo 13 famous manu...

What crosshairs were used to maintain an attitude during the famous manual trajectory correction burn during Apollo 13's return to Earth? What was their normal function? This is all I can hear in the …
uhoh's user avatar
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5 votes
1 answer
1k views

What were the uses of the RTGs in the Apollo spacecrafts?

I was listening to the Plutonium episode of "the Elements" on the BBC, and between 07:00 and 08:30 they talked about uses of plutonium such as spacecraft power and heat. While the returning astronauts …
uhoh's user avatar
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15 votes
3 answers
2k views

Puzzler: Precisely what maximum distance from the Earth did the Apollo 13 astronauts achieve?

tl;dr: Both this answer to Which astronaut travelled farthest from Earth? this answer to How far have astronauts been in space? quote Wikipedia to state that the Apollo 13 astronauts reached 400,171 …
uhoh's user avatar
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13 votes
1 answer
3k views

What is this unlikely-looking contraption ("plutonium battery and scientific equipment") the...

The BBC's Did nuclear spy devices in the Himalayas trigger India floods contains the following image and caption. Questions: What scientific equipment and which plutonium battery is this? Since this …
uhoh's user avatar
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