ht emitted from a distance object when the cosmic background temperature was Tz=54K, what is the redshift z of that light
ht emitted from a distance object when the cosmic background temperature was Tz=54K, what is the redshift z of that light
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*I really just need to know how to figure out the last question, but I included the first two since the third is based on them*
If you observe light emitted from a distance object when the cosmic background temperature was Tz=54K, what is the redshift z of that light?
At that redshift, what was the diameter Dz of the universe at that time compared to the diameter of today's universe D0?
If you observe an emission line in the spectrum of that object at a wavelength of W nanometers, calculate the rest wavelength of that emission line?
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