Portal Space Systems brings its solar thermal propulsion system up to full power during test

Portal Space Systems says it has successfully tested its solar thermal propulsion system at operational temperatures inside a ...
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Solar cells on ultra-thin glass can boost energy systems for satellites, space materials

Scientists are working on a project that can transform solar power in space with the help of lightweight cadmium telluride (CdTe) solar cells on ultra-thin glass. The technology can revolutionize ...
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Portal Space Systems opens its doors for a sneak preview of solar propulsion system

VIPs cut the ribbon at Portal Space Systems’ HQ in Bothell, Wash. From left: U.S. Rep. Suzan DelBene; Portal co-founders Prashaanth Ravindran, Jeff Thornburg and Ian Vorbach; and Bothell Mayor Mason ...
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Solar Orbiter uncovers Sun’s two hidden engines firing cosmic electrons

The European Space Agency-led Solar Orbiter mission has traced floods of energetic electrons hurled out by the Sun back to two distinct sources, marking a major advance in space weather research. The ...