Motions of the Earth Revolution Around the Center of the Galaxy

About the different motions of the earth that are going on around us astronomically and geologically including the revolution around the center of the galaxy.

MOTIONS OF THE EARTH

7. REVOLUTION AROUND THE CENTER OF THE GALAXY

Our solar system is located in one of the Milky Way's spiral arms, two thirds of the distance from its central core. It is revolving around the galaxy's center at a velocity of 155 to 185 mi. per sec., in the general direction of the constellation Cygnus. Every 225 million years the solar system completes one revolution, called a cosmic year, and thus far the earth has passed through 25 cosmic years. Only one galactic year ago, the first small dinosaurs were evolving.

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