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Portal Space raises $50M Series A to fast-track Starburst and Supernova maneuverable spacecraft

Portal Space raised $50 million in a Series A to speed development of its maneuverable Starburst and Supernova spacecraft, move into a 52,000 sq ft Seattle-area factory, and prepare Starburst-1 for a possible fall rideshare launch. The company is developing a solar thermal ammonia propulsion system for Supernova to enable rapid orbital maneuvers that cut weeks or months of maneuver time to hours or days.