Planets: Solar system formation • English Conversation Questions

How do scientists believe the solar system formed?
What role did gravity play in the formation of planets?
What are planetesimals, and how do they contribute to the formation of planets?
Why do some planets have rings, and how were they formed?
What factors determine the composition of a planet?
How does the distance from the Sun affect the characteristics of a planet?
What is the significance of the asteroid belt in the formation of the solar system?
What is the difference between terrestrial planets and gas giants?
How do scientists study the early stages of planet formation?
What is the role of protoplanetary disks in the formation of planets?
Are there any ongoing theories or debates regarding solar system formation?