Earth and moon rotate around a common gravity centre called barycentre situated at about 1600 kms.under the earth surface.Earth and moon rotate together around the sun in one year and around the barycentre in a sideral month and their orbits remain concave*.In relation to the sun earth and moon rotate around the barycentre which itself is moving on an elliptical orbit around the sun. Join the Ubiquicentre movement.Let this truth be known. *The feature to make its concavity always on the side of the Sun, the Moon is the only "satellite" of the solar system whose orbit is always concave toward the sun, similar to that of the planets, is one more reason to consider the Moon as a planet.

Join the Facebook group on " The Moon is not a satellite " - Join the Movement Ubiquicentrico W Darwin. Do know.

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Diagramma di Kelly Parsons -Stelle e Pianeti - Guide Tascabili Mondadori - 1975