Philip Plait
A
Have you ever wondered why astronomers use a backwards system to measure star brightness? And what's the faintest stuff you can see in the sky, anyway?

I make words that explain!

https://www.scientificamer...
10:37 AM - Jul 28, 2023
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Darryl Adams
A
In response to Philip Plait.
What is wrong with the most obvious answers?
01:26 AM - Aug 01, 2023
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