Redshift surveys give us
A) an idea of how turbulent the intergalactic gas is.
B) a better value of the speed of light.
C) a more accurate census of the Local Group.
D) the total mass of the universe.
E) a 3- D layout of galaxies in space.

Question

Quizplus · Accepted Answer

Redshift surveys measure the redshift of galaxies, which allows astronomers to determine their distance and velocity relative to Earth. This information is used to create three-dimensional maps of the distribution of galaxies in space, revealing the large-scale structure of the universe.

Redshift Surveys Give Us