Interstellar Travel: Breakthrough Starshot vs. NASA Concepts

While Breakthrough Starshot aims to send gram-scale nanocraft at 20% light speed to Alpha Centauri, NASA's Innovative Advanced Concepts (NIAC) program explores various long-term interstellar propulsion and mission designs.

Sources

• Breakthrough Starshot - Wikipedia
• Internet Investor and Science Philanthropist Yuri Milner & Physicist Stephen Hawking Announce Breakthrough Starshot Project to Develop 100 Million Mile per Hour Mission to the Stars within a Generation
• Starshot - Breakthrough Initiatives
• Breakthrough Starshot Takes to Space - Sky & Telescope Magazine
• NASA just announced funding for 13 new "Innovative Advanced Concepts" under the NIAC program. They include a swarm of autonomous "gram-scale interstellar probes" designed to send back images of Proxima Centauri, and a sample return mission to Venus. : r/space - Reddit
• NIAC Funded Studies - NASA

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