The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Couch Potatoes on Mars,100 Billion Exoplanets, Amateur Discovery, Asteroid Flyby & A Moon for the Moon.
Deadline: Jun 30 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
Deadline: Jul 15 2013
Reward: $5,000 USD
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