The frequency of light emitted from hydrogen present in the Andromeda galaxy has been found to be 0.10% higher than that from hy
drogen measured on Earth.
Is this galaxy approaching or receding from the Earth, and at what speed?
Is this galaxy approaching or receding from the Earth, and at what speed?
1 answer:
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Answer:
a) α=7.9x10^-4 rad
b) θ=1.12x10^-4 rad
c) The Earth and the Moon cannot be seen without a telescope.
Explanation:
In this exercise we will use the concepts of angular resolution, which depends on both the wavelength of the rays and the diameter of the eye or lens on the meter. Its unit of measure is the radian. The attached image shows the solution step by step.
