Re: Moving masses

From: Rafael Valls Hidalgo-Gato (valls_at_icmf.inf.cu)
Date: 03/04/05


Date: 4 Mar 2005 11:01:10 -0800


"Ian" <ian345@hotmail.com> wrote in message news:<38qroqF5eu97hU1@individual.net>...
> Are there any objects in space with mass moving at fast speeds that would
> cause a measurable time dilation relative to earth.
The 24 orbiting satellites of the Global Positioning System (GPS).
Each one includes an atomic clock with a pre-launch time dilation
correction computed using SR and GR. All details in the following
article of Neil Ashby (University of Colorado):
http://livingreviews.org/Articles/Volume6/2003-1ashby

RVHG



Relevant Pages

  • Re: 1971 Time dilation plane experiment looks flawed
    ... >> time dilation is not calculated from the surface of Earth because ... >> calculations with relations to the center of the Earth. ... > It exhibited time dilation due to the fact it is in a gravity well. ...
    (sci.physics.relativity)
  • Re: Is the Red Shift of distant stars because of expanding universe or time dilation?
    ... I understand that space-time is not "stuff" in the ... viewing our relative time dilation using the (I know, ... "gradient" of space-time at our location (Earth) is ... The steep gradient is holding our ...
    (sci.physics.relativity)
  • Re: what is the relation between force and energy?
    ... >> I don't know about GR, but SR says the same about time dilation. ... I begin to slow ref earth orbit. ... The spin of the Earth affects your time rate dependent upon whether ... you are moving east or west in your car wrt the Earth. ...
    (sci.physics)
  • Re: 1g trip to Toliman
    ... on Earth and 2,9 ly is covered. ... So at 99%c - which the ship might reach after one year of travel - the ... if you want to avoid serious time dilation troubles, ... about 18 tons per person. ...
    (rec.arts.sf.science)
  • Re: Time dilation
    ... >> why the astronaut returning from from a long voyage in space at near ... >> speed would be younger than people on Earth. ... >> If time dilation is based on relative velocity, ... >> isn't the Earth also travelling away from the spacecraft at lightspeed, ...
    (sci.physics)