Eric Walker added Record breaker! Briefcase-size satellite spots alien planet | Space to a number of topics
Eric Walker added CubeSat - Wikipedia to Cubesats
Eric Walker added Record breaker! Briefcase-size satellite spots alien planet | Space and CubeSat - Wikipedia to Cubesats, and added Cubesats to Space telescopes and research satellites
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