big bang and the expansion of the universe

The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.

• Redshift
• Blueshift
• Turbulance
• Superposition

The majority of matter in the universe is made of which two elements that formed after the Big Bang?

• Oxygen and Helium

• Nitrogen and Carbon

• Hydrogen and Helium

• Lithium and Oxygen

Cosmic background radiation (microwaves in space) are

• left over from the initial expansion of the universe.

• help communication.

• are created by satellites.

• are a myth.

Hubble observed that galaxies are

• exploding

• moving away from us

• moving towards us

• standing still

The big bang was a/an what?

• explosion

• unknown

• expansion

• contraction

• big bang

Which star has the lowest luminosity?

• A
• B
• C
• D

Which star has the lowest temperature?

• A
• B
• C
• D

Which star is considered a Main Sequence Star?

• A
• B
• C
• D

How did the discovery of Cosmic Microwave Background Radiation support the Big Bang Theory?

• It suggests that Hydrogen and Helium were the first elements to form.
• It confirms the age of the Earth to be around 5 billion years old.
• It supports the idea that the universe used to be hotter.
• It demonstrates that the universe continues to expand.

Which of the following is not strong evidence supporting the Big Bang Theory?

• Presence of cosmic microwave background radiation.
• The frequency of the light from distant galaxies is shifted slightly towards the red
• The estimated age of the Earth matches the estimated age of the universe.
• Abundance of Hydrogen and Helium in the universe.