The cycle of the seasons is not symmetrical, and it does not at all mirror the progression of the solstices and equinoxes. The vernal equinox was Monday. The mean temperature (average of low and high) ...

For centuries, Earth’s seasonal cycles have been viewed as steady and unchanging, creating a natural rhythm of life across the planet. However, like everything else, these patterns are shifting, as ...

44 degrees, or about half way between its extremes, and this angle is very slowly decreasing in a cycle that spans about 41,000 years. 5 degrees relative to its orbital plane around the sun, is the ...