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Author Question: If the earth were the center of the universe and the Moon, planets, and Sun all moved around the ... (Read 13 times)

mckennatimberlake

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on: Feb 28, 2020

Question 1

A very slow motion of Earth's axis that requires 26,000 years to complete is called ________.
◦ rotation
◦ precession
◦ inclination
◦ eccentricity

Question 2

If the earth were the center of the universe and the Moon, planets, and Sun all moved around the earth, logic would say that all of these celestial objects should move in the same direction across the sky, and relative to the celestial background. The Sun and Moon both follow this pattern, but the other planets have periods of retrograde motion. How did the Ptolemaic model explain retrograde motion and how is it more easily explained by the heliocentric model.
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
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Marked as best answer by mckennatimberlake on Feb 28, 2020

yasmin

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Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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mckennatimberlake

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Reply 2 on: Feb 28, 2020
Gracias!

frankwu0507

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Reply 3 on: Yesterday
Excellent

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