Transcript THE EARTH IN SPACE - Bath Central School District

Unit III: The Earth in Space
Celestial Objects
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Celestial Sphere
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How do celestial objects move in
the sky?
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Apparent Daily Motion:
Why is it called “apparent motion”?
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Tractor Trailer Effect
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Constellations:
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Examples-
Models of the Night Sky
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Geocentric Model:
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Heliocentric Model:
The Heliocentric Model Takes Two
Earth Motions Into Account
1.
2.
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Period of Revolution:
How do we know that Earth really
rotates on its axis?
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Foucault Pendulum:
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Coriolis Effect:
How do we know that Earth revolves
around the sun?
1.
2.
Apparent Motions of the Sun
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Apparent Solar Day:
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Solar Noon:
Shadows….
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afternoon
morning / evening
This shows up all the time!
Which direction do the Sun and
stars appear to move?
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Eastern Sky
Western Sky
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Seasons
What causes seasons on Earth?
1.
2.
Parallelism of the Axis:
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Tropic of Cancer:
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Tropic of Capricorn:
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Four Important Days in Earth Science:
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Summer Solstice:
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Summer Solstice
2.
Autumnal Equinox
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Autumnal Equinox
3. Winter Solstice:
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Winter Solstice
4. Vernal Equinox:
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Vernal Equinox
Winter
Date of First Day
Scientific Name
Direct Rays of the Sun Hit
What is Happening Inside
the Arctic Circle?
What is Happening Inside
the Antarctic Circle?
How much daylight do we
get on First Day in NYS?
How many degrees is the
Earth Tilted?
Altitude of noon sun in NYS
Spring
Summer
Fall
Seasons Review
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**Remember**
**The Sun ONLY gets 90° (directly
overhead in the tropics (23 ½º N
and 23 ½º S)**