/u/danilon62's posts

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Why do russian RD-180 engines run oxygen rich?

3342 upvotes • r/askscience

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Why is gold so good at reflecting in the IR range?

8 upvotes • r/askscience

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Is it possible to calibrate an optical instrument using the cosmic background radiation as a source?

6 upvotes • r/askscience

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How thick does a layer of gold need to be to be fully opaque?

2 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Why do russian RD-180 engines run oxygen rich?	3342	askscience
Why is gold so good at reflecting in the IR range?	8	askscience
Is it possible to calibrate an optical instrument using the cosmic background radiation as a source?	6	askscience
How thick does a layer of gold need to be to be fully opaque?	2	askscience