A dreamy portrait of the Horsehead Nebula, backlit by Sigma Orionis, a young five-star system just off the top of this image captured by the Hubble Space Telescope. Happy #spacesaturday folks! 🌟 Credit: NASA/ESA/STScI | c. 2013 #horseheadnebula #hubble #universe #hubblespacetelescope #nasa #space #stars #adastra nasahubble