8.3.1 - The Big Bang

Question 1

What happened in 1829?

Answer 1

Edwin Hubble discovered that galaxies were moving away from each other.

Question 2

What did Edwin Hubble use to make his discovery?

Answer 2

The red shift.

Question 3

The more distant the galaxies are, are they faster moving or slow?

Answer 3

Faster.

Question 4

As a light source moves away from you, what happens to the wavelength of the light it emits?

Answer 4

Increases.

Question 5

As a light source moves away from you, what happens to the frequency of the light it emits?

Answer 5

Decreaces.

Question 6

If the source is moving faster, what is bigger?

Answer 6

The red shift is bigger.

Question 7

If the source is moving towards you, what is the light?

Answer 7

Blue-shifted.

Question 8

What does the Big Bang model claim the Earth started from?

Answer 8

Something extremely dense and smaller than an atom that expanded suddenly.

Question 9

What was discovered in the 1960s that supports the Theory of the Big Bang?

Answer 9

That there was microwave radiation coming from all directions, left over from the Big Bang.