Some astronomers have suggested that cooled white dwarfs are made of diamond. why might it be impractical to mine them?

A cooled white dwarf has a very hot surface so it would be impossible to walk on it or be on it at such a temperature. Also, the gravitational pull would make it very hard to land anything on it.

Explanation:

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It is also far away and hard to get equipment to

answer:

a possibility is  vasodilation.

"sweat  secretion stops when body temperature returns to normal. blood vessels supplying blood to the skin can swell or dilate - called  vasodilation."

"to maintain homeostasis, the blood vessels in your skin dilate to allow more blood flow to the surface of your body where it disperses the heat. you won’t feel the vasodilation, but you certainly will feel yourself sweating."

explanation: