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Evidence for a Spherical Earth

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Presentation on theme: "Evidence for a Spherical Earth"— Presentation transcript:

1 Evidence for a Spherical Earth
Earth Science Mr. Cloud

2 Evidence #1 ‘Sinking ships on the Horizon’
As a ships sails away from an observer, it appears to sink below the horizon

3 Evidence #2 Lunar Eclipses
Earth’s umbral shadow Lunar Eclipses The shadow cast upon the moon is curved or circular

4 Evidence #3 Photos from Space
Typhoon passing over the pacific ocean as viewed by the International Space Station

5 Evidence #4: Equal Weight @ Sea Level
Earth’s gravitational center can be found within Earth’s core. If standing at sea level, anywhere on Earth, an observer would be equidistant from Earth’s center. Therefore, an observer’ weight will not vary when standing at sea level anywhere on the planet. ***Note: Distance will vary from the equator to poles, due to equatorial diameter being slightly greater than polar.


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