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Mars in Retrograde Motion

Clip is from June '07 to May '08. As Earth catches up with Mars, it goes into retrograde motion starting November 15th, 2007. After we pass the red planet it goes back to normal motion on January 3...  
 
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thora1birch (5 months ago) Show Hide
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when this event happend to earth that's mean the end of life time
ThursdaysChiId (1 month ago) Show Hide
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WRONG
bo5710 (8 months ago) Show Hide
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Aye, what program is this?
EnviroMonster (9 months ago) Show Hide
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Mars
GegaBowser (11 months ago) Show Hide
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So it's basically an illusion, when earth passes mars and mars is till going the same speed, mars looks like it goes right for a bit, then continues going left.
gbCerberus37 (11 months ago) Show Hide
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Like 9amtoxic mentioned, from the perspective of ancient Earth astronomers, their observations didn't make sense until they accepted a model that had the Earth orbiting the Sun like all the other planets.
bo5710 (8 months ago) Show Hide
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Word
FlyingAngel111 (1 month ago) Show Hide
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@gbCerberus37 yes Aka Heliocentric Model which was concluded by Galileo
twi5tedlemonz (11 months ago) Show Hide
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when?
9amtoxic (1 year ago) Show Hide
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All the planets exhibit retrograde motion at one time or another.
Ancient
astronomers were unable to come up with a satisfactory explanation for
it.

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