Quote: Originally Posted by Jinentonix
Hey retard, where the f*ck you think the Lunar Ranging Retro Reflector on the moon came from? Yeah, yer lights may be on but no one is home.
'About' is about as detailed as they can get after 50 years of getting measurements, seriously that is totally fukked up.
Laser beams are used because they remain tightly focused for large distances. Nevertheless, there is enough dispersion of the beam that it is about 7 kilometers in diameter when it reaches the Moon and 20 kilometers in diameter when it returns to Earth. Because of this very weak signal, observations are made for several hours at a time. By averaging the signal for this period, the distance to the Moon can be measured to an accuracy of about 3 centimeters (the average distance from the Earth to the Moon is about 385,000 kilometers).
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No wonder 'your kind' is finding it hard to recruit new members??