Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2018 March 29 NGC 2023 in the Horsehead's Shadow Image Credit & Copyright: Steve Mazlin, Mark Hanson, Warren Keller, Rex Parker, Tommy Tse, and Peter Proulx (SSRO / PROMPT / CTIO) Explanation: Carved