On 5/26/2014 10:56 AM, John Ross wrote:

Are the astronauts that spend a month in the space station younger than their twin brothers when they get back to earth?


Depends on how high their orbit is. The special relativistic effect is greater in low orbit, but it's dominated by the gravitational effect in higher orbits.

Brent

In my 25 May post my use of the word believe is meant to mean “believe”. It means am not certain. What is your answer to my question?

John R.

*From:*everything-list@googlegroups.com [mailto:everything-list@googlegroups.com] *On Behalf Of *LizR
*Sent:* Saturday, May 24, 2014 3:55 PM
*To:* everything-list@googlegroups.com
*Subject:* Re: TRONNIES

On 25 May 2014 04:36, John Ross <jr...@trexenterprises.com <mailto:jr...@trexenterprises.com>> wrote:

What I believe is that time does not slow down when you go fast.

Well it does, as measured in the reference frame in which the object is going fast. This is an indisputable measurable effect which has been confirmed by atomic clocks flown in jets, by satellites and of course by particles in accelerators.

I told you using the word "believe" when you talk about physics (except in a colloquial sense, to mean something like "if I remember correctly") was a bad idea.

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