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The Photon Clock Challenge | Space Time | PBS Digital Studios

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 Astronomy   |   Physics   |   Science
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What time is it??? ...And be sure to pre-order a Space Time t-shirt: http://dftba.com/spacetime

Rules: please give an explanation for your answer! Also, if you give an answer in the comments here you'll be disqualified.

Tweet at us! @pbsspacetime
Facebook: facebook.com/pbsspacetime
Email us! pbsspacetime [at] gmail [dot] com
Comment on Reddit: http://www.reddit.com/r/pbsspacetime

Last week’s episode on Einstein’s photon clock thought experiment:
https://www.youtube.com/watch?v=GguAN1_JouQ

Question #1: When the clock is moving towards you, do you observe its hands to be ticking slower, faster, or at the same rate compared to the rate of ticks that you observe when it's moving away from you?

Question #2: When the clock is moving towards you do you see its hands ticking slower, faster, or at the same rate as a second clock that is stationary with respect to you?

Make sure you title your email: "Photon Clock Challenge Answer"

5 random winners will receive a PBS Space Time Digital Studios t-shirt!

Good luck!
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Written and hosted by Matt O’Dowd
Made by Kornhaber Brown (www.kornhaberbrown.com)

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