Friday, December 30, 2011

Twin GRAIL Probes To Map Lunar Gravity Field

When you have to fly oxygen, food, and water to feed humans, you have to make the trip happen much faster -- and therefore burn way moe fuel -- than when you can take your time because the only thing you're consuming is electricity (and you can recover some of it via solar).

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/80oo4xA1jG8/twin-grail-probes-to-map-lunar-gravity-field

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