• Geek_King@lemmy.world
      401·
      3 个月前

      With the Earth’s elliptical orbit, momentum would only get you so far in terms of sticking with the planet.

      • funkless_eck@sh.itjust.works
        361·
        3 个月前

        relative to the galactic central point, per Eric Idle, the earth would be 200k/125 miles away in a single second, or relative to everything in the universe / background radiation, it would be 23,000 miles (37,000 km) away in a single second.

        Preserving momentum in different directions and you quickly double it

        Assuming an even rate of death, that’s just under 2 people dying per second currently, so you wouldn’t even be able to see the people who died before or after you if you retained human senses as a ghost.

      • LostXOR@fedia.io
        15·
        3 个月前

        Even with a circular orbit, if you’re unbound by gravity you’ll follow a straight path while the Earth curves, resulting in it appearing to accelerate away from you.

      • LibertyLizard@slrpnk.net
        1·
        3 个月前

        Yeah they would go flying off into space relative to earth but I was more referring to the idea that they’d somehow become stationary due to being immune to gravity. That wouldn’t be sufficient on its own.

    • grrgyle@slrpnk.net
      15·
      3 个月前

      Right, at the very least it would be a non overlapping spiral, as our sun orbits the galactic center

    • cannedtuna@lemmy.world
      7·
      3 个月前

      Who’s “we” tho? It’s like a 4 month old post.

      Funny tho I wonder if the artist read that thread and got the idea for this comic or if it’s just a case of like minds.

  • ✺roguetrick✺@lemmy.world
    22·
    3 个月前

    This is incorrect. Ghosts do have mass, they just don’t interact with the EM force and only through the gravity, the strong and the weak interaction (and a fifth interaction that we don’t know about). That’s right, all that dark matter and dark energy is actually ghosts.

    • Knock_Knock_Lemmy_In@lemmy.world
      8·
      3 个月前

      This is the best explanation I’ve heard for dark matter that doesn’t involve the assumption that our cosmological models are completely correct.

    • Huckledebuck@sh.itjust.works
      2·
      3 个月前

      Can we define ghosts simply as the extinguished consciences of sentient life? So, dark matter and dark energy are the thoughts and memories of our universe.

      With no mass they will continue in a straight line at the velocity they were at when they transcended.

      Ghosts everywhere!

  • metallic_z3r0@infosec.pub
    20·
    3 个月前

    Is the reference frame the CMB? You’d think you could just choose the reference frame at that point and move however you want, but arguing the physics of hypothetical metaphysical beings probably doesn’t make much sense.

  • leds@feddit.dk
    16·
    3 个月前

    Eehh objects in motion stay in motion? Does that apply to ghosts? So would the ghosts fly off in straight lines since no longer subjected to suns gravity ??

      • ✺roguetrick✺@lemmy.world
        3·
        3 个月前

        I don’t see how. The law of motion for massless things seems to be “must stay in motion at c in a vacuum until smashing into something, slowly turning into something weird as it loses energy due to the expansion of the universe.”

      • justme@lemmy.dbzer0.com
        1·
        3 个月前

        Massless objects always move at the speed of light (photos are massless). More important here is, that easy is not on a uniform motion, but rotating around sun, which is rotating around… So even if they remain in their last motion, their path would cover from earth… But motion relative to what? The only special frame of inertia is the cosmic background, and that statement is still under debate

        • dQw4w9WgXcQ@lemm.ee
          1·
          3 个月前

          Speed is always considered relative to something. It wouldn’t be too far fetched to consider ghosts to maintain speed relative to the remains of the body of their late life.

  • Droggelbecher@lemmy.world
    14·
    3 个月前

    The only things that aren’t bound by gravity are massless. Massless things always have to be moving at the speed of light. So really the question is, what direction would the ghost shoot off to? Momentum would have to be preserved, so it’d be the opposite direction of where the corpse drops. Or maybe the corpse just move a teensy bit to the opposite direction of the ghost?

    Note: this assumes Newtonian or at least semi classical physics. In general relativity, there is no such thing as being unbound by gravity.

  • 👍Maximum Derek👍@discuss.tchncs.deEnglish
    13·
    3 个月前

    By this line of thinking, dying in a mass tragedy might be the best thing that could happen to you. At least you wouldn’t be in solitary confinement for eternity.

    • Lost_My_Mind@lemmy.world
      6·
      3 个月前

      Yeah, but…imagine if I were in that mass tragedy with you. You’re telling me you wouldn’t rather be alone for eternity, than with me for eternity?

    • Honytawk@lemmy.zip
      1·
      3 个月前

      Those ghosts are not fixed, they can move.

      They just can’t move at the speed of the planet.

    • gordon@lemmy.worldEnglish
      1·
      3 个月前

      I mean, I’m sure there’s a statistic that someone can look up but as many people as are on the planet, I feel like there would always be someone within shouting distance if not closer. I guess it really depends on how fast the earth is moving and what the frame of reference is.

      • Cornelius_Wangenheim@lemmy.world
        11·
        3 个月前

        You’re underestimating the distances and speeds involved. The earth is traveling at 67,000 mph around the sun and the sun is traveling 514,000 mph around the galactic core and takes 225 million years to do one orbit. Even if two people died within a second of each other, they’d be 100+ miles away from each other.

      • NotMaster@lemmynsfw.comEnglish
        5·
        3 个月前

        Here is a sad face…

        Earth orbits the sun. The sun orbits the super cluster in the middle of the galaxy. The galaxy is flying off into space being pulled on by other galaxies. The earth will never occupy the same expect space if you factor in all the movements. If you were holding the hand of your loved one and the two of you died withing a thenth of a second apart you would not be able to see them by the time difference at those speeds.

        Though its all relative how you want to measure and what you want to measure.

      • 👍Maximum Derek👍@discuss.tchncs.deEnglish
        4·
        3 个月前

        The earth moves at 18 miles per second in orbital velocity alone, there aren’t people within shouting distance of me now, and the opposite site of the planet from me is 80 miles off the coast of Madagascar. If I die at home I’m alone forever unless my wife goes at the same instant.

      • ohwhatfollyisman@lemmy.world
        1·
        3 个月前

        according to this site, there are 166k desths per day; which works out to about 7k deaths per hour or a little under 120 deaths per minute (around 2 deaths per second).

        even if you get paired with somebody who dies in the same quadrant as you, there’s a good chance that that person will be an annoying prick.

        so the maths bears out. the commenter to whom you replied is correct in saying that–if the ghost-no-gravity theory is true–you would be better off dying in a mini-mass-massacre event.

  • ytorf@lemmy.world
    11·
    3 个月前

    I have a memory of seeing this exact idea in another comic on here but can’t find it! (Assuming it is a case of multiple discovery and not plagiarism)