Dr. Tyler Nordgren is a professional astronomer and artist. He holds a Ph.D. in Astronomy from Cornell University where he did work on dark matter as well as a B.A. in Physics from Reed College. For over a decade he has worked with the National Park Service to turn the national parks into the single largest source for public science and astronomy education in the world. His popular science book “Stars Above, Earth Below: A guide to astronomy in the national parks,” reveals what visitors to America’s national parks can observe in their dark night skies. The color illustrations in this book include both his night sky photography as well as vintage-style “travel posters” he designed to help the public learn about and see the astronomical wonders in the sky. Poster is 12"x18"