2014年8月29日 星期五

The Rise and Fall (and Rise and Fall) of Planetary Exploration Funding

NASA has explored the solar system since the 1960s, but it has rarely been the top priority for the space agency. Jason Callahan breaks down how planetary science has been funded over the years within NASA's larger budget.



from Planetary Society Blog http://ift.tt/1tTMtZf

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