Mon, 03/13/2023 - 12:00 Gizmodo Environment Japanese company Pale Blue pulled off the first test of its experimental water vapor propulsion system, flying a nano-satellite for the first time in space using an environmentally friendly, cost-efficient propellant. Read more... Tags smallsatellite, spacex, satellite, paleblue, outerspace, lasercommunicationinspace, spaceflight, Environment, falcon, propellantdepot, falcon9, pathfindertechnologydemonstrator, cubesats, junasakawa, ionthruster, spacecraft Source Sony CubeSat Fires up Water-Based Engine in Earth Orbit for the First Time