Bright spots in the cold

Several photographers at Fermilab snapped pictures of yesterday’s sundogs over the laboratory grounds during the -5 Fahrenheit cold. Photo: Ed Dijak, PPD
Sundogs frame Wilson Hall. Photo: Charles King, AD
A full circle of sundogs fills the space in the sky next to the high-rise. Photo: Lynn Garren, SCD
Sundogs appears behind "Acqua Alle Funi." Above the obelisk is another arc of light refraction. Photo: Marty Murphy, AD