noun
the apparent path of the sun in the sky, which is actually the plane of the Earth's orbit around the sun
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The ecliptic is the apparent path that the sun follows in the sky throughout the year.
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The ecliptic is like the sun's road in the sky.
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The ecliptic is basically the sun's groove in the sky.
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The ecliptic can be seen as the sun's dance floor in the celestial sphere.