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Is the Earth round?

April 18, 2017

The Earth is an irregularly shaped ellipsoid. While the Earth appears to be round when viewed from the vantage point of space, it is actually closer to an ellipsoid. However, even an ellipsoid does not […]

Are there oceans on other planets?

April 13, 2017

Earth is the only known planet to have bodies of liquid water on its surface. Currently, Earth is the only known planet (or moon) to have consistent, stable bodies of liquid water on its surface. […]