New space company seeks to solve orbital mobility with high delta-v spacecraft
Briefly

Portal Space Systems focuses on mobility in orbit with solar-thermal propulsion, targeting the issue of limited delta-v for maneuverability in space missions.
Delta-v, the measure of spacecraft velocity change, is crucial in space missions, with Solar System travel requiring high delta-v, emphasizing the significance of efficient propulsion systems.
Read at Ars Technica
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