this post was submitted on 14 Jan 2025
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Physicists Propose Using Relativistic Electrons instead of Lasers to Send Probes into Interstellar Space (www.sciencealert.com)
submitted 3 weeks ago by [email protected] to c/space
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The Breakthrough Starshot program has gotten a lot of press for planning to accelerate tiny (a few grams) probes to 10-20% C with powerful laser pulses, but a new idea proposes building a giant particle accelerator in space to push much larger probes (up to 1000kg) up to speed with a relativistic electron beam. Such a setup might get a large-ish probe to Alpha Centauri within 40 years.

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