When we speak of the large-scale structure of the universe, we mean
A. the structure of any large galaxy.
B. the structure of any individual cluster of galaxies.
C. the overall shape of the observable universe.
D. the overall arrangement of galaxies, chains of galaxies, and galactic sheets in the universe.
Answer:D
When we speak of the large-scale structure of the universe, we mean
A. the structure of any large galaxy. B. the structure of any individual cluster of galaxies. C. the overall shape of the observable universe. D. the overall arrangement of galaxies, chains of galaxies, and galactic sheets in the universe.