fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 2 months agoLaunchesmander.xyzimagemessage-square145fedilinkarrow-up11.59Karrow-down111cross-posted to: spaceflightmemes@sh.itjust.works
arrow-up11.58Karrow-down1imageLaunchesmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 2 months agomessage-square145fedilinkcross-posted to: spaceflightmemes@sh.itjust.works
minus-squareKlnsfw 🏳️🌈@lemmynsfw.comlinkfedilinkEnglisharrow-up21·2 months agoEven with the explanations given here, it’s still very counter-intuitive for me. I think the best thing would be to cut the person in half, send one half towards the sun and the other half out of the solar system.
minus-squaresmeenz@lemmy.nzlinkfedilinkEnglisharrow-up16·2 months agoThe issue is that you’re starting from earth, and the earth already has a lot of momentum that keeps it from falling into the sun. To get an object from here to the sun you would need to counter the majority of that momentum it already has.
minus-squareJumi@lemmy.worldlinkfedilinkEnglisharrow-up9·2 months agoIt’s not about the propellant, it’s about sending a message
minus-squareMrPasty@lemmy.sebbem.selinkfedilinkEnglisharrow-up1·2 months agoNewton’s third law of motion clearly says that this will take exactly 0 ∆V.
Even with the explanations given here, it’s still very counter-intuitive for me.
I think the best thing would be to cut the person in half, send one half towards the sun and the other half out of the solar system.
The issue is that you’re starting from earth, and the earth already has a lot of momentum that keeps it from falling into the sun. To get an object from here to the sun you would need to counter the majority of that momentum it already has.
It’s not about the propellant, it’s about sending a message
Newton’s third law of motion clearly says that this will take exactly 0 ∆V.