PBS Space Time: Interstellar Expansion WITHOUT Faster Than Light Travel
46jaunte
just nowre: #44 The Ghost of a Flea Willful blindness to the fact we're already riding in what's likely the only generation ship we'lll have.
just nowre: #44 The Ghost of a Flea Willful blindness to the fact we're already riding in what's likely the only generation ship we'lll have.
Science
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