The Big Bang Theory Flashcards

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1
Q

How long ago did the universe began according to the big bang theory

A

13.7 billion years ago and it started with a tiny fireball of infinite density exploded

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2
Q

How long after the big bang did the temperature drop enough for atoms to form and what atoms

A

300,000 years after the big bang did the clouds of hydrogen and helium gas form

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3
Q

Around how long ago did the milky way form

A

10,000 million years ago

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4
Q

What is 1 strength of the galaxy being like a balloon

A

1 strength is that they both expand like a balloon and so does the universe

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5
Q

What is 1 weakness of the balloon being represented like the galaxy

A

It has a limit and will eventually explode

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