Eric Walker added Large Binocular Telescope - Wikipedia to Large Binocular Telescope (LBT)

Eric Walker added At the Edge of Time, a Litter of Galactic Puppies - The New York Times to a number of topics

Eric Walker added At the Edge of Time, a Litter of Galactic Puppies - The New York Times and Large Binocular Telescope - Wikipedia to Large Binocular Telescope (LBT), and added Large Binocular Telescope (LBT) to Arizona and Telescopes

Eric Walker added a number of topics to Telescopes, and added Telescopes to Telescopes, observatories and telescope networks

Eric Walker added a number of topics and a number of links to Arizona, and added Arizona to US states and territories