Talk:1074: Moon Landing

Explain xkcd: It's 'cause you're dumb.
Revision as of 19:29, 5 December 2012 by (Talk)

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The distance from Earth to Moon (the farthest we have gone away from earth) is twenty four times the diameter of Earth. If the Earth was a Basketball, the farther we have gone would be three meters from it, as the basketball is about 12 cm. The Randall statement is either wrong or purposely wrong. 00:55, 28 September 2012 (UTC)

The previous comment is wrong because the title text says that "[...]if the Earth were a basketball, in 40 years no human's been more than half an inch from the surface." Randall said "in 40 years" not the life of human space travel as a whole.
Further clarification: The last manned moon landing was in 1972, 40 years ago. Since then, no human has traveled past close Earth orbit. A regulation men's basketball is 29.5 inches in circumference, or roughly 9.4 inches (~21cm) in diameter. Using the basketball as a model for the Earth, half an inch off the surface of the basketball is about 340km from the surface of the Earth - a decent approximation for the average orbital distance of the International Space Station and other recent targets of human spaceflight. 19:29, 5 December 2012 (UTC)
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