Eric Walker added Oumuamua: It Came From Another Solar System - The New York Times to a number of topics
Eric Walker added Looking for Another Earth? Here Are 300 Million, Maybe - The New York Times to a number of topics
Eric Walker added Spitzer Space Telescope - Wikipedia to 2003 Spitzer Space Telescope (SST)
Eric Walker added a number of links to Spitzer Space Telescope (SST), and added Spitzer Space Telescope (SST) to Space telescopes and research satellites and National Aeronautics and Space Administration (NASA)
Eric Walker added a number of topics and Maxar and Space telescope - Wikipedia to Space telescopes and research satellites, and added Space telescopes and research satellites to Artificial satellites, satellite networks, space stations and space missions and Telescopes
Eric Walker added a number of topics and a number of links to National Aeronautics and Space Administration (NASA), and added National Aeronautics and Space Administration (NASA) to Space travel, exploration and defense and Branches and agencies of the United States government