Quote:
Originally Posted by Woodsprite
May have been more than two years. Light isn't constant in outer space, considering how it can be weighed down by any gravity pulls from other stars it passes (Asimov). The same could exist with radio transmissions, especially if black holes are involved... then it might be possible that the transmission be received faster than 2 years; possibly 1½. We can't be sure.
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Considering Alpha Centauri is the closest solar system to ours I don't think there'd be too many stars or black holes between us and it.