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spacemanspliff spacemanspliff
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3 days ago

Far-infrared telescopes have to be cooled, but visible-light telescopes do not. Why not?



Far-infrared radiation is absorbed by the Earth's atmosphere.



Visible-light telescopes detect light from cool objects.



Far-infrared telescopes can only work in space.



Telescopes are not hot enough to emit visible light.

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ASTRO

ASTRO


Edition: 3rd
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capsy2capsy2
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