Eclipses Since the Earth and moon are not self- luminous, they case a shadow Since the Earth and moon are not self- luminous, they case a shadow Eclipse: When a celestial object fully or partially moves into the shadow of another celestial object Eclipse: When a celestial object fully or partially moves into the shadow of another celestial object

The difference between a solar and lunar eclipse is that with a Earth goes into moon’s shadow moon goes into Earth’s shadow

Observers do not see an eclipse every new moon and full moon phase because the moon’s orbit is tilted 5° from the Earth’s orbit.

Umbra/Penumbra Umbra: The blackest part of a shadow from which all light is cut off Umbra: The blackest part of a shadow from which all light is cut off Penumbra: A partial shadow between regions of complete shadow and complete illumination Penumbra: A partial shadow between regions of complete shadow and complete illumination

Exit Pass What is a solar eclipse and during which moon phase does it occur? Draw a diagram What is a solar eclipse and during which moon phase does it occur? Draw a diagram What is a lunar eclipse and during which moon phase does it occur? Draw a diagram What is a lunar eclipse and during which moon phase does it occur? Draw a diagram

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