RE: Planet Found in Habitable Zone Around Nearest Star
August 25, 2016 at 6:33 pm
(This post was last modified: August 25, 2016 at 6:45 pm by The Grand Nudger.)
Laser propulsion is also subject to the rocket equations diminishing returns in the case of local power generation, and external source devices are limited by their proximity to source which..in case of solar devices, decreases as their velocity and therefore distance form the source increases regardless of their potential dv and in the context of their dismally low impulse values...just another way that precisely the same sort of diminishing relationship presents itself.
Forget all that, though, how do we effect an accurate mid course correction in a timely manner over such vast distances - remotely? That has to be step one, because it doesn't matter whether or not we can build the engine or the payload if we can't hit the target. If we could solve that, though...we wouldn't wonder how to build the engine.
Godammit..I'm never going to get to see any fucking aliens!
(our first truly interstellar vehicle is likely going to be a hybrid craft with high dv low impulse "x" to bridge the distance between stars, high impulse low dv chemical for manouvering in the well and when it matters, and clever use of the wells of all involved bodies in addition to onboard ai/computing for the course corrections... no one system or strategy without the others is going to be capable of solving the different navigational problems presented by long distance space travel.)
Forget all that, though, how do we effect an accurate mid course correction in a timely manner over such vast distances - remotely? That has to be step one, because it doesn't matter whether or not we can build the engine or the payload if we can't hit the target. If we could solve that, though...we wouldn't wonder how to build the engine.
Godammit..I'm never going to get to see any fucking aliens!
(our first truly interstellar vehicle is likely going to be a hybrid craft with high dv low impulse "x" to bridge the distance between stars, high impulse low dv chemical for manouvering in the well and when it matters, and clever use of the wells of all involved bodies in addition to onboard ai/computing for the course corrections... no one system or strategy without the others is going to be capable of solving the different navigational problems presented by long distance space travel.)
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