Earth is Flat... Really ?In June 2018, I installed my Celestron C90 telescope in Ranquet Creek on the edge of the Pound of Berre, France. And I observed the real world...A few weeks earlier, I installed my Celestron C70 telescope on Pier 14, and I observed the real world on the other side of San Francisco Bay...

タグ: flat-earth, terre-plate, terre-plane, sea-level, curvature, horizon, oakland-international-airport, airbus-a340, air-madagascar, air-france, airbus-a320, ranquet, etang-de-berre, celestron-c90, celestron-c70, marseille=marignane-international-airport, nikon-p900