P3.2.3 - The Big Bang Flashcards
1
Q
What did Edwin Hubble observe when he looked at the different galaxies in space?
A
That they are all moving away from each other
2
Q
Who provided evidence to support the idea of the Big Bang?
A
Edwin Hubble
3
Q
What 2 things did Edwin Hubble conclude about the galaxies in our universe?
A
The are moving apart.
The galaxies that were furthest away were moving faster.
4
Q
What is the Big Bang theory?
A
The idea that the universe has expanded from something smaller than an atom (called a singularity)
5
Q
How old is the universe?
A
Approximately 15 billion years old
6
Q
Which came first? The Sun or the Earth?
A
The Sun
7
Q
Which came first? Animals or Humans?
A
Animals
