The Planet Neptune Is Blue in Color

question 5

Multiple Choice

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?

• 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)There is no way to predict the answer to this question,since planets and stars are made of such different things.

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