/u/jktstance's posts in /r/askscience

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Can someone explain how astronomers know the exact spectral composition of the standard candles identified in the observable universe?

5 upvotes

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Why do humans find some animals cute? Wouldn't that be a dangerous trait to have in hunter-gatherer times?

1 upvotes

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What deficiencies/experiments in classical mechanics led to Einstein's idea of relativity?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Can someone explain how astronomers know the exact spectral composition of the standard candles identified in the observable universe?	5
Why do humans find some animals cute? Wouldn't that be a dangerous trait to have in hunter-gatherer times?	1
What deficiencies/experiments in classical mechanics led to Einstein's idea of relativity?	1