Solar Nebular Theory
What does the solar nebular theory state?
That when all the random stuff came crashing into each other it started to make the sun. Then when the sun began to get gravity it started to pull stuff in and they started to form all the other planets tafter they cooled off.
When was the theory developed?
The theory was developed back in the 18th century by Immanuel, Emanuel, and Pierre-SImon.