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2. Earth - Wikipedia

   en.wikipedia.org/wiki/Earth

   Earth's average orbital distance is about 150 million km (93 million mi), which is the basis for the astronomical unit (AU) and is equal to roughly 8.3 light minutes or 380 times Earth's distance to the Moon. Earth orbits the Sun every 365.2564 mean solar days, or one sidereal year. With an apparent movement of the Sun in Earth's sky at a rate ...

3. Equatorial bulge - Wikipedia

   en.wikipedia.org/wiki/Equatorial_bulge

   The planet Earth has a rather slight equatorial bulge; its equatorial diameter is about 43 km (27 mi) greater than its polar diameter, with a difference of about 1 ⁄ 298 of the equatorial diameter. If Earth were scaled down to a globe with an equatorial diameter of 1 metre (3.3 ft), that difference would be only 3 mm (0.12 in).

4. Earth radius - Wikipedia

   en.wikipedia.org/wiki/Earth_radius

   Earth radius (denoted as R 🜨 or R E) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid (an oblate ellipsoid), the radius ranges from a maximum (equatorial radius, denoted a) of nearly 6,378 km (3,963 mi) to a minimum (polar radius, denoted b) of nearly 6,357 km (3,950 mi).

5. On the Sizes and Distances (Aristarchus) - Wikipedia

   en.wikipedia.org/wiki/On_the_Sizes_and_Distances...

   Proposition 13 states that the straight line subtending the portion intercepted within the earth's shadow of the circumference of the circle in which the extremities of the diameter of the circle dividing the dark and the bright portions in the Moon move is less than double of the diameter of the Moon, but has to it a ratio greater than that ...

6. Earth-centered, Earth-fixed coordinate system - Wikipedia

   en.wikipedia.org/wiki/Earth-centered,_Earth...

   The Earth-centered, Earth-fixed coordinate system (acronym ECEF), also known as the geocentric coordinate system, is a cartesian spatial reference system that represents locations in the vicinity of the Earth (including its surface, interior, atmosphere, and surrounding outer space) as X, Y, and Z measurements from its center of mass.

7. Why Pharrell Williams Got Fired from McDonald's 3 Times - AOL

   www.aol.com/why-pharrell-got-fired-mcdonalds...

   Related: Pharrell Williams Says He 'Gets Annoyed' by Politics: 'I Like People Trying to Help People' Pharrell's song "Happy" has become one of the best-selling songs in history with more than 13.9 ...