Big Dipper over Pyramid Mountain

Image Credit & Copyright: Steve Cullen

https://apod.nasa.gov/apod/ap231210.html #APOD

Deep Field: The Heart Nebula

Image Credit & Copyright: William Ostling, Telescope Live

https://apod.nasa.gov/apod/ap231213.html #APOD

Supernova Remnant Cassiopeia A

Image Credit: NASA, ESA, CSA, STScI; D. Milisavljevic (Purdue University), T. Temim (Princeton University), I. De Looze (University of Gent)

https://apod.nasa.gov/apod/ap231214.html #APOD

Crescent Enceladus

Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA

https://apod.nasa.gov/apod/ap231216.html #APOD