Recent content by Milfeulle

  1. M

    Graduate Does time dilation only affect matter that has mass?

    So that means it only took the ship 5.21 days to arrive on Earth (from the spaceship's perspective) ? If so, that means if the spaceship can travel at 99.9999999999999% of the speed of light, it will only takes 1.41 second to arrive on Earth from the spaceship's perspective. It would be almost...
  2. M

    Graduate Does time dilation only affect matter that has mass?

    Ahh I see, I got the wrong way around all this time! Thanks for the reply!
  3. M

    Graduate Does time dilation only affect matter that has mass?

    Does time dilation only affect matter that has mass? For example, A spaceship is 1 light year away from Earth at rest. It sent out a radio wave to Earth then travels at 99.99% of the speed of light. On Earth, from our perspective, we will receive that radio wave 1 year later but the spaceship...