The Big Bang Theory Flashcards
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
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
3
Q
Around how long ago did the milky way form
A
10,000 million years ago
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
5
Q
What is 1 weakness of the balloon being represented like the galaxy
A
It has a limit and will eventually explode
