Due to the dust in the interstellar medium, how will a distant star appear to an observer on Earth?
A) brighter and redder than it really is
B) brighter and bluer than it really is
C) fainter and redder than it really is
D) fainter and bluer than it really is

Question

Quizplus · Accepted Answer

Dust in the interstellar medium scatters and absorbs some of the light from distant stars, making them appear fainter. The scattering is more effective at shorter (bluer) wavelengths, which makes the star appear redder than it actually is.

Due to the Dust in the Interstellar Medium, How Will