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A space startup led by a former SpaceX and Stratolaunch engineer is reviving solar thermal propulsion to create high-speed orbital vehicles for national security.
Portal Space Systems has announced the development of Starburst, a highly maneuverable small satellite scheduled for its first launch in late 2026.
Bothell-based startup Portal Space Systems is developing a novel solar-powered propulsion system to make moving spacecraft between orbits more efficient.
Portal Space Systems successfully tested its 3D-printed solar thermal propulsion thruster, a core technology for its Supernova spacecraft designed for rapid orbital maneuvers.
