What's the Minimum Number of People you Should Send in a Generational Ship to Proxima Centauri? - Universe Today https://t.co/DB1Xdauyt6 @storybywill @universetoday pic.twitter.com/ZYCSQcYZ8i
— Universe Today (@universetoday) June 14, 2018
from Twitter https://twitter.com/universetoday
June 14, 2018 at 03:17PM
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