In Interstellar when they were on the water planet, every minute they spent there, several days passed on Earth. From outside observer’s point of view from Earth, everything happening on the water planet was in slow motion. Why isn’t it the other way around?
In: 67
The time isn’t being sped or slowed…
Light is simply travelling across a now-more-bent path, making it longer.
The speed of light remains the same, it’s c. Which is more accurately described as the speed of causality. Light just moves at the fastest possible speed the universe will allow: *c*.
Check [this](https://youtu.be/msVuCEs8Ydo) out if you want to feel really dumb about it! Haha I love this channel !
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