'Opencourse info astronomy introduction' diaporamas de présentation

A Core Course on Modeling

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Moon Phases

Moon Phases. Half of the Moon is always lit up by the sun. As the Moon orbits the Earth, we see different parts of the lighted area. http://www.nasm.si.edu/apollo30th/moontheater/phasepage2.html.

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What are the apparent motions of celestial objects?

What are the apparent motions of celestial objects? . Celestial Object. Anything beyond our atmosphere . Constellations. Constellation. a region of space There are 88 constellations a group of stars that forms a pattern is an Asterism. 3. Examples:. Virgo Orion Sagittarius Taurus

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