Sun Dogs, according to WikiPedia, are atmospheric phenomenon that create bright spots of light in the sky, often on a luminous ring or halo on either side of the sun."
Sun Dogs, according to Grizzabella, are senior puppies who are bright spots of light in the eyes of their humans.
Grizzabella, as featured on Jackie Purcell's Weatherpix feature/KTUU News Hour. Thank you, Jackie!