Good Luck
Make Sure To double check all your answers before submitting Total /100
Part A: Multiple Choice
1. The Big Bang theory estimates the age of the universe to be approximately:
1. 4.6 billion years
2. 13.8 billion years
3. 100 million years
4. 50 billion years
2. Which observation first provided evidence for an expanding universe?
1. Cosmic microwave background
2. Galaxy redshifts
3. Primordial helium abundance
4. Solar parallax
3. Hubble’s law relates velocity v and distance d by v=H0 d. If H0=70 km/s/Mpc,
what is the recessional velocity of a galaxy at 10 Mpc?
1. 70 km/s
2. 700 km/s
3. 1 400 km/s
4. 0 km/s
4. The cosmic microwave background’s temperature today is closest to:
1. 300 K
2. 2.7 K
3. 0 K
4. 1 000 K
5. Primordial nucleosynthesis occurred during which epoch?
1. Planck epoch
Make Sure To double check all your answers before submitting Total /100
Part A: Multiple Choice
1. The Big Bang theory estimates the age of the universe to be approximately:
1. 4.6 billion years
2. 13.8 billion years
3. 100 million years
4. 50 billion years
2. Which observation first provided evidence for an expanding universe?
1. Cosmic microwave background
2. Galaxy redshifts
3. Primordial helium abundance
4. Solar parallax
3. Hubble’s law relates velocity v and distance d by v=H0 d. If H0=70 km/s/Mpc,
what is the recessional velocity of a galaxy at 10 Mpc?
1. 70 km/s
2. 700 km/s
3. 1 400 km/s
4. 0 km/s
4. The cosmic microwave background’s temperature today is closest to:
1. 300 K
2. 2.7 K
3. 0 K
4. 1 000 K
5. Primordial nucleosynthesis occurred during which epoch?
1. Planck epoch
