What is the angle of insolation at the vernal equinox??
Angles of insolation measure how high the sun is in the sky in relationship to the location of the viewer. Insolation is a contraction of three words, incoming solar radiation, and should not be confused with insulation, which has a u instead of an o. Incoming solar radiation takes two forms that are directly observable by humans – light and heat, and everyone has observed the factor of angles of insolation at work when they track the sun across the sky from sunrise to evening or move down the beach for better sun. Angles of insolation vary depending on where on earth the studier is standing and what time of day and year it is. There is no such thing as a spring solstice. Do you mean the Summer Solstice?
