https://lifeboat.com/blog/2017/12/nasa-planning-mission-to-alpha-centauri-in-2069 Safeguarding Humanity Tue, 02 Jan 2018 21:09:31 +0000 hourly 1 https://wordpress.org/?v=6.6.2 https://lifeboat.com/blog/2017/12/nasa-planning-mission-to-alpha-centauri-in-2069#comment-313213 Fri, 29 Dec 2017 00:00:33 +0000 https://lifeboat.com/blog/2017/12/nasa-planning-mission-to-alpha-centauri-in-2069#comment-313213 Why 1/10 of c? Is this the limit above which friction with interstellar matter would be a problem?

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