Originally Posted by
ORAC
Speed of light - comms delay between the earth and the moon is 1.25 seconds each way.
Bit of a DOH! moment on my part (I always thought it was 0.25secs, but got confused with the moon being 250,000miles away, give or take).
I try not and use the G, Wiki, Groki gods - but maybe times have changed LOL!
Oh, and an edit as to when the Optical comms system is mentioned in the above Video.