It was a first not only for NASA, but for humanity. As the world bore witness, a redesigned Apollo spacecraft, tested in space with a crew only once before, carried three astronauts to orbit the moon
December 22, 2008 |
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Soaring faster and farther than humans had ever gone before, Borman, Lovell and Anders cut a trail to the moon for Neil Armstrong's "giant leap" seven months later
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It was a time of high excitement. But the U.S. public's support of manned space exploration was already ebbing
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The U.S. has been there, but now that many countries have joined the club of space-faring nations, which will be the first to return?
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When three U.S. astronauts became the first humans to leave Earth's gravity field, some NASA experts gave them a 50-50 chance of making it home alive
Deadline: Jul 25 2013
Reward: Varies
This challenge provides an opportunity for Solvers to build a web-based or mobile “app” to explore data relationships in scholarly conte
Deadline: Jul 14 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
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