Is Video Correct? What's Your Opinion?

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The video discusses the phenomenon of a spot of light moving across the Moon at a speed exceeding that of light, while adhering to the laws of physics. Participants express agreement with the video's explanation, affirming its correctness. The discussion emphasizes that this occurrence does not violate the principles of relativity. The mechanics behind the light's movement are highlighted as a fascinating aspect of physics. Overall, the consensus is that the video's claims are valid and scientifically sound.
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What do you think?

 
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Yes, it is correct.

(For the benefit of anyone not wishing to watch the video, it explains how it is possible for a spot of light to move across the Moon faster than light without breaking the laws of physics.)
 

Thread 'Question about Parallel Transport'

In this video I can see a person walking around lines of curvature on a sphere with an arrow strapped to his waist. His task is to keep the arrow pointed in the same direction How does he do this ? Does he use a reference point like the stars? (that only move very slowly) If that is how he keeps the arrow pointing in the same direction, is that equivalent to saying that he orients the arrow wrt the 3d space that the sphere is embedded in? So ,although one refers to intrinsic curvature...
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