Which explanation of the solar system best fits the observations of the planets and how they orbit the sun?


Question 20 options:


A comet hit the sun and sent off fragments that became the planets.



The gravity of a large, massive star passing the sun ripped off blobs of material from it that formed the planets.



The planets formed at the center of a collapsing spinning cloud of gas and dust.



The sun and planets formed from a collapsing spinning cloud of gas and dust.