NATS 1880 Study Guide - Quiz Guide: Self-Replicating Machine, Zoo Hypothesis, Civilization V
14 Aug 2015
School
Department
Course
Professor
Document Summary
Oca 13: the ultimate speed of a solar-sail-propelled spacecraft is limited by. Fact that the intensity of sunlight falls off rapidly with distance: einstein"s general theory of relativity tells us that a photon traveling close to a massive object will. Follow the curvature of spacetime around the object: the main practical problem associated with building an interstellar ramjet is. Making the ship large enough to scoop up enough hydrogen fuel given that the density of hydrogen in space is so low: von neumann machines are hypothetical. Self-replicating probes sent out to explore the galaxy by an advanced civilization: the idea that other civilizations are aware of our existence but have deliberately chosen to hide from us is referred to as the. Zoo hypothesis: an antihydrogen atom would consist of. Interstellar ark: the maximum terminal velocity we could accelerate a nuclear rocket is approximately.
