Dust and gas combined into small bodies that formed the planets what are these small bodies called

Planetesimals

Answer:solar nebula

The third, the disk instability method, may account for the creation of giant planets. Approximately 4.6 billion years ago, the solar system was a cloud of dust and gas known as a solar nebula. Gravity collapsed the material in on itself as it began to spin, forming the sun in the center of the nebul