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Science

Origins of the Universe

Red-shift - Test

1.

Which piece of evidence supports the Big Bang theory?

2.

About how long ago do scientists believe the universe began?

3.

Why is the light from distant galaxies red-shifted?

4.

According to the Doppler effect, what happens to sound waves emitted at a constant pitch from a car moving towards you?

5.

What is the CMBR?