Recent content by jonnylockers

  1. J

    Graduate Matter-antimatter imbalance - how do we know?

    Is it not true there have been recent studies that may imply that M and AM are repulsive to one another, and if this is the case would we need a rethink of the whole BB theory?
  2. J

    Undergrad Dark Matter: Is Gravity from a Central Mass or Cumulative Effect?

    thankyou
  3. J

    Undergrad Dark Matter: Is Gravity from a Central Mass or Cumulative Effect?

    hi, i don't know if this is in the correct place but I've got a question that has puzzled me. i know that the stars on the outer edge of galaxies are moving too fast to be in a stable orbit without flying off away from the galaxy, does this mean that the gravity that the outer stars...