The Big Bang Flashcards
1
Q
Cosmos
A
Another name for the universe
2
Q
How many galaxies are in the universe?
A
200 billion
3
Q
How many stars in each galaxies?
A
200 billion
4
Q
What is the Milky Way galaxy?
A
A spiral galaxy that contains earth
5
Q
What is everything made of? (Even us!)
A
Star dust
6
Q
How old is the universe?
A
14 billion years old (13.8)
7
Q
What is the language of science?
A
Math
8
Q
What is the Doppler effect?
A
When an ambulance is speeding toward you with its siren on it starts out loud and then when it is right in front of you it becomes softer and gets louder when it goes away
9
Q
From what did the universe begin?
A
It began from energy
10
Q
After the universe was created, what did the energy become?
A
Hydrogen Atoms