Physics, 13.08.2021 04:20 richaeviney
The most distant object a human can see without the aid of an optical device (such as a telescope) is the Andromeda Galaxy approximately 2.5 million light years away. If we consider a photon traveling from that galaxy to you here on Earth;
(a) How long does it take the photon to travel to us in our reference frame?
(b) How much time is experienced by the photon during this journey?
(c) Comment on your answers.
Answers: 2
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The most distant object a human can see without the aid of an optical device (such as a telescope) i...
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