Astronomer David Kipping has proposed TARS, a sunlight-driven space slingshot. Using reflective panels spun in space, it can fling small probes at escape speed. Though Alpha Centauri is over a thousand years away, this simple, fuel-free idea could pave the way for future interstellar missions.
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TARS: Sunlight-Powered Space Slingshot Could Propel Tiny Probes to the Stars
by aweeincm1
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