Which of the Following Was Not a Contribution to Cosmology
Which of the following was not a contribution to cosmology by Edwin Hubble?
A) the proof that there are other galaxies
B) the idea that far galaxies are moving faster than those near
C) the discovery of the cosmic red shift
D) studies of the relative abundances of chemical elements in the universe
E) all of these are correct
Hubble's law tells us that
A) the distance to other galaxies can be measured by calculating the blue shift of the light we receive from them.
B) the rate at which a galaxy recedes from the Earth is proportional to the square of the distance from the Earth.
C) the rate at which a galaxy advances toward the Earth is proportional to its distance from the Earth.
D) the distance to other galaxies can be measured by calculating the red shift of the light we receive from them.
E) the rate at which a galaxy moves is the Hubble constant.
The most recent "freezing" of the universe involved the creation of
C) elementary particles.
The redshift surveys of the 1980s
A) determined the velocity of superclusters.
B) were significant in calculating Hubble's constant.
C) measured the distance to thousands of galaxies.
D) definitively proved the Big Bang theory.
E) provided a foundation for planetary exploration.