1. April 24, 1990: Hubble Space Telescope Launched into Orbit | Firstpost Rewind | N18G  YouTube
  2. NASA’s Hubble Dazzles With Young Stars in Trifid Nebula  NASA Science (.gov)
  3. Hubble Telescope celebrates 36th anniversary with gorgeous new image of famous Trifid Nebula  Space
  4. NASA just dropped a stunning new Hubble image of a ‘Cosmic Sea Lemon’ 5,000 light-years away  Scientific American
  5. NASA’s Hubble Space Telescope marks 36 years in orbit with stunning brand new image of ‘Cosmic Sea Slug’: PHOTOS  New York Post