SPX) Jun 30, 2008 ...
NASA To Attempt Historic Solar Sail Deployment Huntsville AL SpaceDaily: 4 views since Monday, June 30, 2008 at 09:25 PM
"Hold your hands out to the sun. What do you feel? Heat, of course. But there's pressure as well - though you've never noticed it, because it's so tiny. Over the area of your hands, it only comes to about a millionth of an ounce.

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