1 / 8

Solar halo seen in New York City on May 14, 2013

This image of a solar halo was captured by John Zenkus in Union Square, New York City on May 14, 2013.

Solar halos

The phenomenon of seeing a ring around the sun, known as a solar halo, is caused by the presence of high cirrus clouds above your head, meaning they take place in the lower atmosphere and have nothing to do with the sun's activity, EarthSky says.