Author Question: What is interstellar reddening? A) Interstellar dust absorbs more red light than blue light, ... (Read 50 times)

abarnes · **on:** Jul 27, 2018

What is interstellar reddening?

A) Interstellar dust absorbs more red light than blue light, making stars appear redder than their true color.
B) Interstellar dust absorbs more red light than blue light, making stars appear bluer than their true color.
C) Interstellar dust absorbs more blue light than red light, making stars appear redder than their true color.
D) Interstellar dust absorbs more blue light than red light, making stars appear bluer than their true color.
E) The spectral line shift due to a star's motion through the interstellar medium.

Question 2

What do asteroids and comets have in common

A) Most are unchanged since their formation in the solar nebula.
B) They have similar densities.
C) They have similar orbital radii.
D) They have a similar range of orbital inclinations.
E) They have nothing in common with each other.