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Ancient Observatories, Timeless Knowledge

Sun-Earth Day Presents: Ancient Observatories, Timeless Knowledge

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Image Gallery
  • Easter Island
  • Photo: Prof. Steve Debuizer
  • SDO
  • Photo: Barbara Lambert
  • SDO
  • Photo: Barbara Lambert
  • Nobeyama Solar Observatory
  • Machu Picchu, Peru
  • Photo: Clive Ruggles
  • Machu Picchu, Peru
  • Photo: Jeff Gilbert
  • Hovenweep Castle
  • Photo: Troy Cline
  • Chichen Itza
  • Photo: Troy Cline