Ellipsoid/Spheroid – Our Oblate Spheroid Planet Earth
WEBA datum describes the shape of the Earth in mathematical terms. A datum defines the radius, inverse flattening, semi-major axis, and semi-minor axis for an ellipsoid. Here is the WGS84 datum:
The Earth is not round (but it’s not flat either) - BBC
WEBJun 3, 2016 · Animated short video in which Adam Rutherford & Hannah Fry explain why the Earth isn't rou. So what is the true shape of our planet?
Figure of the Earth - Wikipedia
WEBThe simplest model for the shape of the entire Earth is a sphere. The Earth's radius is the distance from Earth's center to its surface, about 6,371 km (3,959 mi).
Strange but True: Earth Is Not Round | Scientific American
WEBApr 12, 2007 · As countless photos from space can attest, Earth is round—the "Blue Marble," as astronauts have affectionately dubbed it. Appearances, however, can be deceiving. Planet Earth is not, in fact,...
The Shape of the Earth - YouTube
WEBOct 18, 2012 · In this video, we explore the true shape of the Earth and the easily observable evidence that supports that knowledge. Additional science videos and resource...
Earth - Wikipedia
WEBEarth has a rounded shape, through hydrostatic equilibrium, [85] with an average diameter of 12,742 kilometres (7,918 mi), making it the fifth largest planetary sized and largest terrestrial object of the Solar System. [86]
The planet Earth - Shape, structure, atmosphere, age and more
WEBFind out information about the planet Earth, the planet of all life in the Solar System. From its shape, its mass and density, its gravity and magnetism, its atmosphere, hydrosphere, lithosphere to its age, rotation, revolution and precession.