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

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How much would a satellite constantly flying at 80km altitude be similar to an aircraft and what kind of propulsion could keep it up there, overcoming drag?

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Why are camera sensors with a spectral range of 1100nm - 8000nm off limits to private civilian customers?

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Why is the magnetic disc part of a floppy disk a red optical filter?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How much would a satellite constantly flying at 80km altitude be similar to an aircraft and what kind of propulsion could keep it up there, overcoming drag?	1
Why are camera sensors with a spectral range of 1100nm - 8000nm off limits to private civilian customers?	1
Why is the magnetic disc part of a floppy disk a red optical filter?	1