Due to the absorption and scattering of shorter wavelengths by interstellar dust, distant stars appear a) bluer. b) brighter. c) redder. d) larger. e) to have a higher radial velocity.

(C) Redder.

Explanation:

Distant stars appear red because of the phenomenon known as “red-shift” which happens more when the star is very far from the observer .This happens because of the scattering of shorter wavelengths also by space dust. So it could be either natural redness OR distance.So we conclude that the answer is Redder.

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