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Phenomena > Planets > Planet Images Image Gallery

Planet Images

Visible Planets | Planets and Stars | Observing Planetary Movement

The illustration above was designed to give you an idea of how ancient people might have determined that the planets move in different paths than the stars. If you stood in the same spot facing the same direction at the same time every evening, you would notice that the planets and stars appear in a slightly different spot each night. If you marked where each planet and star was night after night, you would be able to chart their course across the night sky.

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© 2002 eCUIP, The Digital Library Project, Chicago, IL. Image created in part with Starry Night Pro 3.1. Reproduction or distribution is prohibited without permission.

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