![]() ![]() Moon phases demonstration (2015) by the National Science Teaching Association (4:15 min.). We call the pattern of light and shadow on the Moon as it revolves around the Earth the phases of the Moon. The shadow on the Moon is not caused by the Earth except in the case of a lunar eclipse. The craters illuminated on the Moon are different at each point, indicating its rotation. At every point along the path, the right half of the Moon is illuminated, and the left half is in shadow. An arrow indicates the Moon is moving counter-clockwise. This is labelled "Sun." The Moon is shown four times along a blue, dotted circular path around the Earth. A large yellow half-circle stretches along the right edge of the image. The left half is in shadow, and the right is illuminated. The Earth is labelled, in the centre left of the illustration. ![]() Shown is a colour diagram illustrating the Moon moving around the Earth, next to the sun. Open Professional Learning × Close Professional Learning Open Educational Resources × Close Educational Resources ![]()
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