'The Phases of the Moon', c 1860.

'The Phases of the Moon', c 1860.
3 4 c m
40cm
actual image size: 32cm x 26cm

Description

One of a set of teaching cards published by James Reynolds & Sons, London, England around 1860. Titled 'The Phases of the Moon', the chart was drawn and engraved by John Emslie. The astronomical diagram shows how the Moon's appearance changes during its 29.5-day orbits around the Earth. When none of the Moon's reflected sunlight reaches the Earth it becomes invisible and known as a New Moon. The Moon's disc then grows (waxes) to a half phase, known as first quarter, and then to Full after a similar period. The lunar disc then starts to shrink (wane) back to half phase, known as last quarter, and then back to the start of the cycle, another New Moon.

Image Details

Image Ref.
 
10418985

© Science Museum / Science & Society Picture Library

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