absolutely astronomical aphelions and analemmas

Aphelion - the point on its orbit when the Earth is farthest from the sun where as Perihelion is the point on its orbit when the Earth is closest to the sun
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Analemma is the figure-8 path that the sun makes in the sky when you photograph it once a week at the same time of day for an entire year. The top of the eight is at the perihelion. The bottom is at the aphelion.