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.

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.

Sun halo as seen on May 14, 2013

This image of a sun halo was captured by Steve Scanlon on May 14, 2013 in Tinton Falls, New Jersey.

Sun halo as seen on April 26, 2013

This image of a sun halo was captured by Bob Clark on April 26, 2013 in Lynnwood, Washington.

Sun halo as seen on February 7, 2013

This image of a sun halo was captured by Flickr user why137 on February 7, 2013 in Trieste, Friuli-Venezia Giulia, Italy.