I think you might be referring to this full question:
When a planet temporarily moves westward in the sky over the course of several weeks or months (instead of eastward, as it typically does), we call it:
When a planet temporarily moves westward in the sky over the course of several weeks or months we call it retrograde motion.
Retrograde motion is a movement that occurs when a planet rotates at a slower speed compared to another celestial body.
This type of slow movement (retrograde motion) gives us the illusion that the planet is retrograding regarding the other celestial body.
In conclusion, when a planet temporarily moves westward in the sky we call it retrograde motion.
Learn more about retrograde motion here:
https://brainly.com/question/22921263
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