Let's not be wasteful.
8
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6 comments
Feel free to reply to any comment by clicking the "Reply" button.This doesn't make any sense to me. How is more fuel needed to reach our Sun, as opposed to leaving the solar system? Please explain this.
Logician
Level 7
Apr 28, 2021
1
I'm no rocket surgeon, but I think it has to do with aiming...
It takes energy (delta V) to maneuver (in space or otherwise). We are orbiting the sun, and so must not only escape earth's atmosphere but also aim and manoeuvre to reach the sun - a moving target.
However, if we are just shooting someone into space, we only have to escape earth's atmosphere.
So the savings come from not having to aim at a moving target.
Hope that makes sense. 
Rocket science?
bookofmorons
Level 8
Apr 25, 2021
2
BD66:
Simple Newtonian Physics.
I mean, SpaceX launches rockets all the time anyway. You could probably get them to strap someone to the outside of the rocket for free, just tell them it's "for science".
Kynlei
Level 8
Apr 25, 2021
3
Oooh! Ooohh! I know, I know! Drump! Just tell him it's for dark money.....
If revenge is the dish best served cold, off the solar system would be a better choice. But what would someone do to deserve such an expensive punishment?
QuidamOutrepont
Level 8
Apr 25, 2021
1
need to see the math. lol
glennlab
Level 10
Apr 25, 2021
3
Yes, once you break away from Earth's gravity, you can coast either into the center of the solar system, or just drift out into deep space. How is extra fuel needed to get to the Sun?
Randy
@Logician @glennlab
So, I think it's all in the aiming, correcting, and maneuvering to get to the Sun, rather than just being shot in some random direction out to space.
Yes, leaving earth's atmosphere has to occur in both scenarios, but getting to the Sun requires extra energy for course corrections and what-not.
Just because one is angry is no reason not to be efficient!
phxbillcee
Level 10
Apr 25, 2021
1
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