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Originally posted by Phage
reply to post by GLontra
You changed your question from who discovered the equator to who determined the latitude of Athens.
The equator was "discovered" by some unknown traveler. Undoubtedly more than one.
edit on 5/28/2012 by Phage because: (no reason given)
They probably went out into the desert with a big stick, & planted it in the ground at 90 degrees.
At midday,if the stick has no shadow, then you are on the equator.
At night (or at sea) you can plot the motion of the stars directly overhead, if they move in a straight line, you are on the equator.
Originally posted by Phage
reply to post by GLontra
Who? Any navigator who used the stars; Polynesian, Japanese, Portuguese...
When? Whenever they crossed the equator.
It's so obvious it's trivial.
Originally posted by boncho
Tell us who invented fire first.
Is it possible that the black hole in the center of our galaxy produces an energy/debris ring at its equator, much like the debris rings around Saturn? And when our sun passes through the galactic equator will we experience any change from passing through that field of energy/debris?
Originally posted by Phage
reply to post by Deafseeingeyedog
Is it possible that the black hole in the center of our galaxy produces an energy/debris ring at its equator, much like the debris rings around Saturn? And when our sun passes through the galactic equator will we experience any change from passing through that field of energy/debris?
What does that have to do with geography?