Unit 1 - Origin of the Universe

Question 1

What is Cosmic Background Radiation?

Answer 1

Radiation left after the Big Bang.

Question 2

What is the Doppler Effect?

Answer 2

The theory that the closer an object is, the object’s waves will become more frequent. Vice versa with an object moving away.
Away - Red Shift
Towards - Blue Shift

Question 3

What is Red Shift?

Answer 3

An object that appears red because it is moving away.

Question 4

How old is the universe?

Answer 4

13.8 billion yrs old.

Question 5

What is the Big Bang Theory?

Answer 5

A theory that the universe started off as a small collection of matter that exploded. To this day, the universe is still expanding.

Question 6

What three pieces of evidence support the Big Bang Theory?

Answer 6

Doppler Effect/Redshift
Cosmic Background Radiation
Composition of the Universe

Question 7

What does the Doppler Shift prove?

Answer 7

Universe is always expanding

Question 8

What are galaxies doing?

Answer 8

Moving away from each other.

Question 9

Red

Answer 9

moving away

Question 10

blue

Answer 10

moving towards you

Question 11

white

Answer 11

not moving at all

Question 12

Moving away or towards?
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Answer 12

Towards

Question 13

Moving away or towards?
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Answer 13

Away