How did astronomers determine the time it takes for light to travel from the sun to the earth?

1 Answer
Chaven Y.
Feb 3, 2016

With the speed of light being known together with the predicted distance of the Sun from its relative orbit it would be possible to estimate the distance.

Explanation:

We should also acknowledge that with spacecraft having been sent out into space more accurate positions would be known to astronomers based on reception of radio signals from these vehicles.

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