dimanche 19 avril 2015

Is it possible for something to be so hot that it emitted little to no radiation in the visible band, thereby appearing dark?


I looked up black body radiation and found this image: which shows emission spectra shifting toward shorter wavelengths as temperature increases. However, there is still significant energy at longer wavelengths. Is it possible for something to be hot enough to have no energy at these wavelengths, as the emission spectrum is shifted so far to the left (shorter wavelengths)? Do any such objects exist?


This question was inspired by a chance description of something as "black-hot".



submitted by naura to askscience

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