RE: Planet Found in Habitable Zone Around Nearest Star
August 25, 2016 at 11:10 pm
(This post was last modified: August 25, 2016 at 11:15 pm by Anomalocaris.)
(August 25, 2016 at 11:01 pm)Rhythm Wrote: It all sounds nice here on the ground, but does it work before or -after- it's burnt it's way to the nearest star? Still stuck with the problem that a fraction of an arc second could be a miss by a distance greater than the size of our entire solar system, in context, unless it's always working, always correcting (and has sufficient impulse behind it to pull off any correction)...and never fails.
Actually, the radius of earth's orbit would span 1 arc second at exactly one parsec (unit of distance, not a unit of time to measure Millenium falcon's kessel run). One parsec is about 3.25 light years. So if a spacecraft is able to resolve to within an arc second the location of Proxima Centauri, 4.2 light years from earth, while half way there, and make just one course correction, it should be able to get well within 1 AU of Proxima Centauri.
