1
Q
Order these events Humans start to appear The big bang Dinosaurs die out Our solar system forms The first stars appear
A
The big bang The first stars appear Our solar system forms Dinosaurs die out Humans appear
2
Q
What did Edwin Hubble observe?
A
Galaxies are moving away from each other
3
Q
What does a galaxies distance from us tell us about it’s speed?
A
The further away a galaxy is the faster it is moving
4
Q
Other scientists peer reviewed Hubble’s findings. What is peer review?
A
Peer review is where other scientists check your results.
Which is important so that the results published are accurate.
5
Q
Some scientists did not believe Hubble’s theory. Why?
A
Not enough evidence at the time
Personal beliefs did not agree
Turning Points in Physics
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