It wasn't long ago that commercial space exploration was considered out of reach, but now companies like Google are upping the ante. Google is offering a $30 million dollar prize for the first company to come up with a launch vehicle that can go to the moon, traverse the surface, and send back pictures of the experience. There is even a space hotel scheduled to open in 2012, but it will cost a lot more than your average getaway. Also, the Messenger mission gleans new information from Mercury.
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