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## BACK-UP for MEGALITHIC CIRCLES and MARS

TheSidereal Year(time for the sun to move relative to the fixed stars in one year) is 365.2563611 days.The

Tropical Year(time for the sun to move between subsequent equinoxes of the same type) is 365.2422418 days.The

Lunar Year(time for 12 revolutions of the moon about the earth as from new moon to new moon or full moon to full moon) is 364.3670949 days. This means the average lunar revolution is 30.363924 days.The

Sidereal Lunar Year(time for 13 sidereal revolutions of the moon about the earth) is 355.251 days. The sidereal moon revolution is 27.327 days.The

Radiusof theearthat theequatoris 6,378,388 meters or 3,963.3384 miles.The

Radiusof theearthat the apoleis 6,356,912 meters or 3,949.9938 miles.

GravityLatitude 00 degrees - 32.0878 feet/second squared

Latitude 10 degrees - 32.0929 feet/second squared

Latitude 20 degrees - 32.1076 feet/second squared

Latitude 30 degrees - 32.1302 feet/second squared

Latitude 40 degrees - 32.1578 feet/second squared

Latitude 50 degrees - 32.1873 feet/second squared

Latitude 60 degrees - 32.2151 feet/second squared

Latitude 70 degrees - 32.2377 feet/second squared

Latitude 80 degrees - 32.2525 feet/second squared

Latitude 90 degrees - 32.2577 feet/second squared

Approximategravityfor theBritish Islesis 32.196 feet/second squared.

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