NASA celebrates the moon by shooting lasers at it
By Adam Frucci
12:16PM on Sep 20, 2010
Last night was "International Observe the Moon Night," apparently, and NASA celebrated by shooting our favorite satellite with lasers. Naturally!
表面地，昨晚是“國際觀察月球夜，”和美國航天局以激光射擊我們最喜歡的衛星慶祝。當然！
Don't worry, the lasers weren't the explodey kind, they were the observey kind. The lasers, fired from the Goddard Space Flight Center's Laser Ranging Facility in Greenbelt, Maryland, are used to track the location of the Lunar Reconnaissance Orbiter as it orbits the moon. All NASA has to do is fire those lasers 28 times a second and they're able to pinpoint where the SUV-sized satellite is as it moves at 3,600 MPH over 250,000 miles away. Pretty awesome.
不要擔心，激光不是爆炸的種類，它們都是觀賞類。 激光從馬里蘭州綠地的戈達德太空飛行中心的激光測距設備發射，是被用來追踪月球偵察軌道器的位置，當它繞行月球軌道時。所有美國宇航局所要做的，就是每秒 28次發射那些激光，和它們能夠確定SUV大小的衛星，當它以3,600哩時速移動在超過 25萬哩遠。頗正。
Space.com via io9
http://dvice.com/archives/2010/09/nasa-celebrates.php
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