
"Straight line or arc?" Topic
9 Posts
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Sundance  | 29 Apr 2018 9:43 a.m. PST |
Would a spacecraft designed to reach the outer limits of the solar system or beyond travel through the solar system in a straight line out from the Earth/Sun, or would it travel in an arc? It's always been my understanding that they traveled in an arc. What say the hive mind? |
MajorB | 29 Apr 2018 9:48 a.m. PST |
The effects of gravity cause all spacecraft moving in the vicinity of planets or moons to follow an arc. |
Dynaman8789 | 29 Apr 2018 10:10 a.m. PST |
With current technology any spacecraft designed to go to the edge of the solar system would use gravity boosting so not only an arc, at least two of them and probably more. |
Winston Smith | 29 Apr 2018 10:14 a.m. PST |
Due to gravitational effects from the sun etc, it would take massive amounts of energy to force the craft to fly a straight line. |
bobspruster  | 29 Apr 2018 12:44 p.m. PST |
….and you'd probably have to stop on Europa to take on fuel. |
emckinney | 29 Apr 2018 3:17 p.m. PST |
The Arc is less obvious than you expect, but after you leave the solar system, you eventually end up in a straight line (with very minor deviations for distant stars, etc. |
Sundance  | 29 Apr 2018 4:51 p.m. PST |
Thanks, gents. That was my understanding also. Was just watching a sci fi movie at the time and showed the rocket heading straight out from the earth/sun. Didn't think it looked right. That's what I get for second-guessing myself. |
billthecat | 29 Apr 2018 9:31 p.m. PST |
It would travel through the warp, where petty considerations like mass, velocity, fuel, gravity, and Euclidean-geometry are no more than a passing fad… |
zircher | 29 Apr 2018 10:27 p.m. PST |
Part of the question is which is more important, time or fuel. You can blast straight out-system plotting an intercept course for your point on the rim or you can fly a course to take you to one or more planets first to do the gravity sling-shot thing. |
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