Space Fact #7: Ten Pounds Takes a Pound of Human Into Space
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As a rule of thumb, ten pounds of rocket fuel are required to push one pound of equipment or human into low Earth orbit.
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Space Fact #1: Gravity Is a Hill
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If you look at some maps of space between the Sun and Mars, with Earth in between, the blackness of space is intersected with curved lines that look a lot like a topographic map of a wilderness on Earth.
Read MoreSaving the World Is Educational
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The Apollo program inspired students to go into science, technology, engineering and math. Today, most STEM Ph.D.'s in America get awarded to foreign students.
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