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If Orion can reach speeds of .12c, what protects it from any collisions it encounters enroute to its extrasolar destination ?
Practical and available now solutions, not theoretical from the "near future" . I'm assuming Orion has an interstellar, robotic, no slowing down, one way function ,to a near/by/est star system. Speed is everything.Sufficiently fast to get there within a human lifetime. Not interested in travel round our own star system as even 9 years to Pluto via New horizons is bearable quick. Unless speed can be significantly further enhanced via intra solar system planetary gravitational sling shot effect ( requiring further anti collision effect presumably)