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Earth. Starry Vault. CELESTIAL MOTIONS. Stars appear to move counterclockwise on the surface of a huge sphere – the Starry Vault, in their daily motions about Earth. Polaris remains stationary. In Charlottesville we see Polaris 38 0 above the Northern horizon. .
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Earth Starry Vault CELESTIAL MOTIONS Stars appear to move counterclockwise on the surface of a huge sphere – the Starry Vault, in their daily motions about Earth Polaris remains stationary. In Charlottesville we see Polaris 380 above the Northern horizon.
Ecliptic Sun IMPORTANT TERMS Vernal Equinox Summer Solstice Autumnal Equinox Winter Solstice Celestial Equator
LATTITUDE 380 NORTH 380 Charlottesville Sunlight Equator Earth
MOON Siderial Period: Time for the Moon to orbit Earth and realign with a star. Equal to 27.32 days. Synodic Period: Time for the Moon to orbit Earth and realign with the Sun. Equal to 29.53 days. Zodiac: A band extending 80 on either side of the ecliptic. The Sun, Moon, and planets move through the zodiac.
MOON’S PATH THROUGH THE ZODIAC Ecliptic Moon Sun
PHASES OF THE MOON Full Crescent Half Gibbous
ECLIPSES Lunar eclipse Moon Earth Solar Eclipse Moon Earth
MOTIONS OF THE PLANETS The five planets visible by naked eye are: Mercury Venus Mars Jupiter Saturn