this post was submitted on 28 Aug 2024
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actually the part that i am scratching my head at is the sevenfold brighter bit.
I was curious about this too. From random web searching (Syfy.com), the sun is 200,000 times brighter than the moon in the visible light region of the electromagnetic spectrum.
I know human perception is logarithmic. I'm interested why it was thought it was 7x brighter. "Sevenfold as the seven days in one" it seems?
I didn’t know about logarithmic perception, that’s interesting! I bet you’re right about 7x being chosen due to the significance of the number seven in the Bible.