Does light lose energy as it crosses the universe? The answer involves time dilation. - Live Science
Jarred Roberts |
Technology |
The Conversation Africa |
05-26-2025 |
32
My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, walked up just as the first space photo stre…
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