Tuesday, 11 October 2011

exoplanet - Max. speed that a space probe can communite with the Earth?

Question: Which is the average or maximum speed of a telematically sent message that a space probe can send? Is as simple as radio waves travel at the speed of light in a vacuum?



Context: I have been asked to make a first estimation about how much time is needed to send a space probe and then receive the signal.



I am supposing that the space probe is sent at $15 km/s$ but I have not idea of the telematic signal speed.



Thank you in advance!

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