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You don't need to go to the north pole all the way. Just far enough to measure by how much the position of the stars shifts. The French knew that too, obviously.
They had to assume the earth isn't flat though. And that the stars are indeed so far away that it does not influence the measurement. But then they let scientists do the hard work.
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
  lifetime FE over 0.2 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.
Last edited by RedDevil; 11-08-2018 at 06:21 PM..
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