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 December 23 Earthrise: A Video Reconstruction Image Credit: NASA, SVS, Apollo 8 Crew; Lead Animator: Ernie Wright; (USRA); Music: C Major Prelude by Johann Sebastian Bach Explanation: About 12 s