Big Bang Flashcards

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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
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2
Q

What did Edwin Hubble observe?

A

Galaxies are moving away from each other

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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

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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.

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5
Q

Some scientists did not believe Hubble’s theory. Why?

A

Not enough evidence at the time

Personal beliefs did not agree

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