Orbit of earth and moon - Distance from sun:
The Moon is about 384,400 km (almost a quarter million miles) from the Earth. But the actual distance varies; sometimes the Moon is closer, and other times it is farther away. This variation is due to the Moon's elliptical orbit. As Kepler's first law implies, all orbits are ellipses, but most planets have orbits which differ only slightly from circles. In contrast, the Moon's orbit is definitely not a circle.
So how elliptical is this orbit of the moon? And what effects does that have on anything? Please elucidate.
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