The Voyager probes are travelling at non-relativistic speeds, at the edge of the solar system where the gravitational field is about 0 so we could consider them a rest frame. If so, from my calculations using the formula for time dilation:(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\tau(t) = \frac{c}{g} \operatorname {arsinh} \left( \frac{gt}{c} \right) [/tex]

10 years for the probes would mean about 2.8 years for someone on Earth.

Is this correct? I'm curious if the gravitational acceleration at the Earth's surface is really so significant.

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# Voyager probes and time dilation

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