What geometrical event defines Venus setting at its latest time after the Sun in the evening sky?
Answer
Its greatest elongation west.
When Venus reaches its greatest elongation west, it signifies the maximum angular separation achieved on the western side of the Sun as seen from Earth during the evening hours. This specific geometric arrangement results in the planet setting at the latest possible time following the Sun's disappearance below the horizon. This phase typically provides the longest and best viewing window for observing Venus shining with maximum intensity while known as the Evening Star in the western sky, though the exact date of this occurrence shifts annually based on orbital positions.
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