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Posts: 3561
11 years ago
Consider the following statement, and explain whether or not it is sensible: Earth is always precisely 1 AU from the Sun.
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Valued Member
11 years ago
This statement does not makes sense because the apparent retrograde motion is noticeable only over many nights, not during a single night. (Of course, like all celestial objects, Mars moves from east to west over the course of every night.)
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