fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 5 个月前Launchesmander.xyzimagemessage-square146fedilinkarrow-up11.6Karrow-down111
arrow-up11.59Karrow-down1imageLaunchesmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 5 个月前message-square146fedilink
minus-squareKlnsfw 🏳️🌈@lemmynsfw.comlinkfedilinkEnglisharrow-up21·5 个月前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.
minus-squaresmeenz@lemmy.nzlinkfedilinkEnglisharrow-up16·5 个月前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.
minus-squareJumi@lemmy.worldlinkfedilinkEnglisharrow-up9·5 个月前It’s not about the propellant, it’s about sending a message
minus-squareMrPasty@lemmy.sebbem.selinkfedilinkEnglisharrow-up1·5 个月前Newton’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.