Looking for a brief explanation of the autumnal equinox on Saturday, September 22nd?
For an instant, the plane of the equinoctial colure will be perpendicular to the earth’s orbital radius vector.
Simple as that!
Looking for a brief explanation of the autumnal equinox on Saturday, September 22nd?
For an instant, the plane of the equinoctial colure will be perpendicular to the earth’s orbital radius vector.
Simple as that!