2 ms·
More info here: http://www.wired.com/science/space/magazine/15-10/ff_moon http://www.wired.com/science/space/magazine/15-10/ff_moon
by ivankirigin 19y ago
More info here:
http://www.wired.com/science/space/magazine/15-10/ff_moon http://www.wired.com/science/space/magazine/15-10/ff_moon