Recent content by larrym3

  1. L

    What's your area and level of expertise?

    MD, PhD (Cell and Molecular Biology)
  2. L

    Graduate Is Time Constant? Why We Assume It Is

    Why is it generally assumed that time is and has been constant? When a star is described as being 150 million light/years away - how do we know that the time during those years passed at the same rate as time now. Couldn't time have been faster (or slower) in the past?