The Moon. Topics:. Why do we only see one face of the Moon? Why do we see phases of the Moon? What causes eclipses?. Phases of Moon. Half of the Moon is illuminated by the Sun and half is dark. We see a changing combination of the bright and dark faces as the Moon orbits Earth.
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How to Simulate Lunar Phases
Phases of the Moon
Time the Moon Rises and Sets for Different Phases
It’s 9 A.M. You look up in the sky and see a moon with half its face bright and half dark. What phase is it?
It’s 9 A.M.You look up in the sky and see a moon with half its face bright and half dark. What phase is it?
Evolution of a Total Solar Eclipse
Type in “week” in Wikipedia…and also
“days of the week”.Why are there 7 days in a week?
The ancient Babylonians are known to have observed a seven-day week; each day dedicated to a different deity. The significance of seven comes from Babylonian astronomy. There are the seven heavenly bodies or luminaries normally visible to the naked eye (the Sun, Moon, and 5 visible planets), and they associated each with a deity. The word planet means “wanderer” in Greek.
Mars Retrograde Motion