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Jan. 6: After a long day of grazing, the bison enjoy nice January weather, sleeping in the grass under the clouded stars. nature, wildlife, landscape, mammal, bison, night, sky, cloud, star Photo: Marilyn Wodzinski

Jan. 6: After a long day of grazing, the bison enjoy nice January weather, sleeping in the grass under the clouded stars.

Nikolay Kuropatkin, Marty Murphy, Brian Nord and Brian Yanny created this photo of a galaxy, currently on display as part of the “Art of Darkness” exhibit in the Fermilab Art Gallery. A reception takes place on March 18 from 5-7 p.m.

El Gordo

A splatter of red, denoting galaxies, lies at the center of this image and extends toward the lower left. This is the remnant of a cosmic collision. Eons ago, one group of galaxies plunged into another at millions of miles per hour, leaving a wreckage in its wake. The galaxy cluster El Gordo is all that remains of this raucous event.

To capture the Great Nebula in Orion (M-42; NGC-1976) Tuesday night, Marty Murphy, AD, stacked 18 15-second images of the nebula using a 600-millimeter f/8 telephoto lens. The camera and lens were piggy-backed on a large telescope for tracking during the long exposures. This nebula is faintly visible to the naked eye in dark sky. It is situated in the middle of Orion’s dagger.