eclipses since the earth and moon are not self-luminous (don’t create their own light), they cast...
TRANSCRIPT
EclipsesEclipses
Since the Earth and moon are not Since the Earth and moon are not self-luminous (don’t create their self-luminous (don’t create their own light), they cast a shadowown light), they cast a shadow
Eclipse: When a celestial object Eclipse: When a celestial object fully or partially moves into the fully or partially moves into the shadow of another celestial objectshadow of another celestial object
Solar EclipseSolar Eclipse
Occurs when the Earth moves Occurs when the Earth moves into the moon’s shadowinto the moon’s shadow
Can only occur during the new Can only occur during the new moon phasemoon phase
Quick NOVA VidQuick NOVA Vid
http://www.teachersdomain.org/asset/http://www.teachersdomain.org/asset/ess05_vid_totaleclipse/ess05_vid_totaleclipse/
Or an animation, perhaps!Or an animation, perhaps!
Lunar EclipseLunar Eclipse
Occurs when the moon moves Occurs when the moon moves into the shadow of the Earthinto the shadow of the Earth
Can only occur during the full Can only occur during the full moon phasemoon phase
http://www.youtube.com/watch?v=2dk--http://www.youtube.com/watch?v=2dk--lPAi04lPAi04
Observers doObservers donot see an eclipse everynot see an eclipse everynew moon and full moonnew moon and full moon
phase because the moon’s phase because the moon’s orbit is tilted 5° from theorbit is tilted 5° from the
Earth’s orbit.Earth’s orbit.
Umbra/Penumbra- DO NOT Umbra/Penumbra- DO NOT WRITEWRITE
Umbra: The blackest part of a shadow Umbra: The blackest part of a shadow from which all light is cut offfrom which all light is cut off
Penumbra: A partial shadow between Penumbra: A partial shadow between regions of complete shadow and complete regions of complete shadow and complete illuminationillumination
Exit PassExit Pass
What is a solar eclipse and during What is a solar eclipse and during which moon phase does it occur? which moon phase does it occur? Draw a diagramDraw a diagram
What is a lunar eclipse and during What is a lunar eclipse and during which moon phase does it occur? which moon phase does it occur? Draw a diagramDraw a diagram
Random But Relevant VidsRandom But Relevant VidsPics from Hubble