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Author Question: Why is Earth's orbit often referred to be a nearly perfect circle and not a true ellipse? What ... (Read 287 times)

gonzo233

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on: Jul 27, 2018
Why is Earth's orbit often referred to be a nearly perfect circle and not a true ellipse?
 
  What will be an ideal response?

Question 2

On the day of summer solstice, explain the position of Earth and the light received by each of the hemispheres.
 
  What will be an ideal response?


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stano32

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Reply #1 on: Jul 27, 2018
Answer to Question 1

Earth's orbit is only very slightly elliptical. Around January 3, Earth is at perihelion, its closest point to the Sun, when it is only 1.7 percent closer than average. Around July 5, Earth is at aphelion, its most distant point from the Sun, when it is only 1.7 percent farther than average.

Answer to Question 2

On the day of the summer solstice in late June, Earth's Northern Hemisphere is inclined toward the Sun, and sunlight shines almost straight down at northern latitudes. At southern latitudes, sunlight strikes the ground at an angle and spreads out. North America has warm weather, and South America has cool weather.


gonzo233

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Reply 2 on: Jul 27, 2018
Excellent

isabelt_18

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Reply 3 on: Yesterday
:D TYSM

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