The planet Neptune is blue in color. How would you expect the spectrum of visibl

Question

The planet Neptune is blue in color. How would you expect the spectrum of visible light from Neptune to be different from the visible-light spectrum of the sun?

Select one:

a. The two spectra would have similar shapes, except Neptune's spectrum would be missing a big chunk of the red light that is present in the sun's spectrum.

b. The two spectra would have similar shapes, except Neptune's spectrum would be missing a big chunk of the blue light that is present in the sun's spectrum.

c. Neptune's spectrum would peak at a much longer wavelength than the sun's spectrum.

d. The sun's spectrum would peak at a much longer wavelength than Neptune's spectrum.

Explanation / Answer

a. The two spectra would have similar shapes, except Neptune's spectrum would be missing a big chunk of the red light that is present in the Sun's spectrum.

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