A new study challenges the existence of dark matter, proposing that gravity can arise from 'topological defects' in spacetime.
  • Occultist0178@lemmy.worldEnglish
    61·
    1 个月前

    I agree with the other commenter, this is a great answer.

    As far as I know, all so far proposed models that eliminate dark matter have other problems that are greater than"just" adding invisible mass. Would be cool though to just activate gravity without the need for mass.