When the sun’s rays strike Earth’s surface near the equator, the incoming solar radiation is more direct and nearly perpendicular, or closer to a 90-degree angle. Therefore, the solar ...

We have seasons because the sun angle varies over the course of the year, and it varies because the Earth’s plane of rotation is tilted by about 23.5 degrees from the plane of its orbit around ...

Here on April 28th in Fort Wayne, the sun’s maximum angle in the sky is 63.3°. This is about the same as the maximum angle on August 13th. This is why your sunburn now is just as severe as it ...

It gets even more interesting when you look at it from the standpoint of the number of degrees the sun is above the horizon. Go back to Dec. 21 and the angle is only 23 degrees. Right now we are ...

A relatively new type of photography captures every second of the sun as the angle rises from solstice to solstice. Credit: Sam Cornwell. 6-month long exposure of the sun.

The lowest sun angle is on the Winter Solstice in late December. We actually gain daylight during most of winter, but it doesn't start paying off until February and March. ...