Big Bang

Are any of the galaxies moving towards Earth?  Explain.

• A.  It is redshifted
• B. It is redshifted.
• C. It is blue shifted.
• A. It is blueshifted.

Based on  Hubble’s Law, which of the galaxies is farthest from Earth?

• A
• B 
• C

Based on the spectrums in the figure,  rank the galaxies in order of the speed with which they are moving away from Earth, from slowest (1) to fastest (3).

• A, B

• A, B, C
• C

• A, C, B

Evidence suggests that the whole Universe is expanding and that it might have started billions of years ago from one place with the big bang.

• True
• False

The Hubble constant measures the

• current expansion rate of the universe
• the universe began in a hot, dense state
• curvature of space in the universe
• temperature of the universe

The existence of the cosmic background radiation implies that

• the big bang model is wrong.
• the universe began in a hot, dense state.
• the universe did not have a moment of creation.
• the universe began in a cold, low-density state. 

If an object is moving toward us, its spectrum will experience

• no shift
• red shift
• black spectrum
• blue shift

Hubble observed that galaxies are

• expanding
• moving away from us
• moving towards us
• standing still

The value of the Hubble constant is equal to the ratio of

• velocity and distance
• distance and mass
• mass and luminosity
• velocity and mass

Which of the following is NOT evidence of the Big Bang Theory?

• most galaxies are red-shifted

• CMBR everywhere

• the universe is gaining matter

• the universe is expanding