Archive for the 'Moon' Category



In Definition 5 Newton defines a new word to describe a new species of force he just invented: centripetal force. Centripetal force is a force that seeks a center. Newton gives four examples of this force: Terrestrial “heaviness” with which bodies tend to the center of the Earth; iron seeking loadstone; the force holding […]

Earth setting on the Moon?

What’s wrong with this picture?
  
It is featured here with the caption “Here is a series of images showing the Earth setting.”
As far as I know the Earth does not set or rise on the Moon.1 This is ensured by the fact that we see only one side of the moon. As seen from the Moon […]






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