EOY Flashcards
What does geocentric mean?
When the solar system orbits around the earth
What solar system model do we have today?
Heliocentric model
How old is our solar system?
5 billion years old
What is the theory that the universe started?
The Big Bang Theory
What is the Big Bang theory
a tiny, dense, fireball that exploded and started thr universe
What started after the big bang
All time and expansion started
Whos idea was the flat earth?
People in china and some indians
Whos idea was the wood turtle?
In india people believed that the earth was supported on a back of a giant wooden turtle
Whos idea was that the sun got swallowed?
Thailand thought it was swallowed by a god in a solar eclipse
When was the big bang?
14 billion years ago
When did life on earth begin?
4 billion years ago
When did human life start on earth?
0.5 million years ago
What could a satelite be used for?
To monitor the weather
Carry out scientific research into astronomy
Why could aroms not be immediately formed after the Big Bang?
the universe was both too hot and too dense for elements to form and until it cooled thats when they formed
What is the evidience for the big bang?
Hubbles discovery in 1920
In 1960 the cosmic microwave background radiation
