Post #40

We hope this view of the Coalsack Nebula is the only coal you’ll get this year. Also called Caldwell 99, this is a dark nebula – a dense cloud of interstellar dust that completely blocks out visible wavelengths of light from objects behind it. Image credits: NASA, ESA, and R. Sahai (Jet Propulsion Laboratory); Processing: Gladys Kober (NASA/Catholic University of America)