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Questions tagged [black-body]

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4
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2answers
84 views

How to Distinguish between Temperature and Doppler effect using Black-body radiation?

I understand that the radiation of a body can be described using the curve for black-body radiation. In the sense that a hotter body will be blue shifted and a cooler body will be red shifted. The ...
1
vote
1answer
65 views

Can hawking radiation be eaten by another blackhole?

Just a theory, from this video. At last, only the black holes are gonna exist and even they'll decay because of hawkings radiation. As black holes emit hawkings radiation, then if one emits it, ...
-3
votes
2answers
65 views

Strange behaviour of black holes [duplicate]

We know black holes emit streams of radiation ,also recently discovered that they emit visible light when they eat any nearby matter . "We find that activity in the vicinity of a black hole ...
-1
votes
1answer
49 views

Where can we find astronomical real world data (spectral radiance and wavelength particularly) of a star?

I have my college project and I thought of finding the temperature of a star with the black-body curve of star but i need real data. I searched but can't find the thing what I want. all I am getting ...
6
votes
1answer
632 views

What does a black dwarf look like?

A black dwarf is a hypothetical object that is the end result of the cooling of a white dwarf. None yet exist, because there hasn't been enough time in the age of the universe for them to cool down ...
2
votes
1answer
347 views

Future redshifting and effect on the 'pitch' of CMB radiation

After discovering this question exploring the sound of a blackbody, I started wondering about the sound of the Cosmic Microwave Background radiation from the Big Bang, specifically what the current ...
2
votes
1answer
99 views

In what manner is the spectrum of a black body really a continuum?

Usually they say the spectrum of a black body is a continuum and emits radiation at every frequency. Is it really a continuum like a line or are there (small) intervals? For example, can a body emit ...