P3.2.3 - The Big Bang Flashcards

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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

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2
Q

Who provided evidence to support the idea of the Big Bang?

A

Edwin Hubble

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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.

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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)

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5
Q

How old is the universe?

A

Approximately 15 billion years old

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6
Q

Which came first? The Sun or the Earth?

A

The Sun

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7
Q

Which came first? Animals or Humans?

A

Animals

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