Tag Archives: Figure 8

This Is How The Sun Moves In The Sky Throughout The Year

by Ethan Siegel, Medium

If you photograph the Sun at the same time every day, you get a bizarre figure-8 shape: an analemma. Here’s why.

At any time of day, you could theoretically set up a camera to take a picture of the landscape that encompasses the apparent position of the Sun in the sky. If you came back the next day at the exact same time, 24 hours later, you’d find that the Sun had changed its position ever-so-slightly. If you did this every day for a full year, you’d discover two important things: Continue reading This Is How The Sun Moves In The Sky Throughout The Year