WebOct 31, 2013 · The earth is not perfectly round, but very slightly flattened at the poles, and with a very slight bulge at the equator - the shape is called "oblate". It is caused by the earths rotation on it's axis. Jupiter, which rotates much faster than the earth has even more pronounced bulging at the equator and flattening at the poles.

Why is Earth not a sphere? - Earth Science Stack Exchange

WebOct 11, 2012 · The Earth that your GPS sees is theoretical and needs constant syncing with the real one. On paper, latitude and longitude divide the Earth’s sphere neatly into uniform minutes and seconds. But Earth is not quite round. It is slightly flattened at the poles. Like a sailor bobbing on the waves, we too are bobbing on Earth’s surface. WebOct 31, 2013 · The earth is not perfectly round, but very slightly flattened at the poles, and with a very slight bulge at the equator - the shape is called "oblate". It is caused by the … magnaflow catback exhaust

Earth National Geographic Society

WebSource: GPS for Land Surveyors. The ellipsoidal model bulging at the equator and flattened at the poles, has been used ever since as a representation of the general shape of the Earth’s surface. In fact, several reference ellipsoids have been established for various regions of the planet. They are precisely defined by their semi-major axis ... WebJan 7, 2014 · The Equator is bulged, and the Poles slightly flattened. The figure given is for sea level, and ignores any mountains. The Poles are about 21.4 km closer to the centre of the Earth than the ... WebMay 11, 2024 · Geographers model Earth’s shape as an ellipsoid, which is a sphere slightly flattened at the poles. They use a datum to reference geographic coordinates on Earth. A datum describes the shape of the … magnaflow air filter mazda 6