Die Sonnensegel-Mission der NASA fliegt nach einem Startfehler endlich: „Der mikrowellengroße Würfelsat entfaltete sein riesiges Segel, um eine neuartige Art der Reise durch den Weltraum zu testen.“ »
https://gizmodo.com/nasas-solar-sail-mission-is-finally-flying-after-deployment-glitch-2000493203
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« Solar sails harness energy produced by light from the Sun, using it to propel spacecraft forward. As the photons hit the spacecraft’s sails, it causes small bursts of momentum that propel it farther away from the star. We’ll be watching closely as this tiny cubesat, and this interesting new concept, takes its important first baby steps in space. »
Related NASA blog post: « NASA Evaluates Deployed Advanced Composite Solar Sail System », https://blogs.nasa.gov/smallsatellites/