The Theory
What Is A Scientific Theory?
An explanation or model backed by results obtained from many tests or experiments.
Why is the geocentric model of the solar system wrong?
The geocentric model of the solar system is wrong because it is Earth-centered.
What is our galaxy called?
Our galaxy is called the Milky Way Galaxy.
What is rotation?
Spinning or turning on its axis.
What is revolution?
Revolution is the movement of one object around another object.
What Is The Big Bang?
The Big Bang was an enormous explosion of matter that created the universe.
Why is the Heliometric model correct?
The Heliometric model is correct because it is sun-centered.
Why is our galaxy called the Milky Way Galaxy.
Our galaxy is called The Milky Way because people thought that the stars looked like a flowing river of milk.
How long does the earth take to rotate around the sun?
It takes 365 rotations, or days, for the earth to rotate around the sun.
How many hemispheres is the earth split into?
The earth splits into 4 hemispheres.
When Did The Big Bang Happen?
The Big Bang happened 10-20 billion years ago.
How Was The Solar System Formed?
The solar system formed from dust and clouds.
How many stars are in our galaxy?
Millions or billions of stars are in our galaxy.
What is the earth tilted degree?
The earth is tilted at 23.5 degrees from vertical.
What does revolution cause?
Revolution causes seasons.
When Do Scientific Theories Change?
Scientific theories change when scientists discover new information.
Which solar system model is correct? Heliometric or Geocentric and why.
The heliometric solar system model is correct because it is sun-centered.
What do the spiral arms in the Milky Way do?
The spiral arms wind outward from the center.
What does the earth’s rotation cause?
Day, Nights, and months.
Why do seasons occur?
Seasons occur because of the earth’s tilt.