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8 members have voted
July 25th, 2026 at 2:13:46 PM
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Quote: acesideQuote: ThatDonGuyOkay, time for an actually easy physics puzzle - probably a little too easy
The following conversation took place between two people travelling in space:
"Did that object suddenly turn blue?"
"Yes - that's an example of 'blueshift.' As you approach an object, its color shifts towards the blue end of the spectrum."
"Except...we're moving away from it."
Explain what is actually happening.That definition of blueshift is not entirely accurate
link to original postThe object was purple to begin with.
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Purple doesn't exist as single wavelength. The object was therefore violet or perhaps ultraviolet to begin with.

