Jupiter's Retrograde Path
1 October 1646
- 8 June 1647
Close-up View  (9° x 5°)

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Red represents part of the retrograde path of Mars; the green line is the ecliptic. Even in the close-up view, the path of Jupiter's retrograde may be hard to decipher. The tracing of its course begins on 1/10/1646. On 11/24/1646, Jupiter reverses course and proceeds in the opposite direction until 3/23/1647, when it again changes direction back to its original course. Unlike Mars, Jupiter backtracks hardly deviating from its previous course, which makes its return prograde path hard to differentiate from its retrograde course.