Final answer:
A solar system formation theory must explain: 1) Planetary orbits on the same plane due to angular momentum conservation, 2) Placement of terrestrial planets within the frostline, 3) Jovian planets outside the frostline, and account for exceptions like Venus's retrograde rotation.
Step-by-step explanation:
The theory of solar system formation should be able to explain various patterns and arrangements. For example, one pattern of motion is that the planets orbit the Sun on the same plane. This is explained by the conservation of angular momentum, which led to the formation of the solar nebula and subsequently a disk-shaped system. Another aspect to account for is the distinction between terrestrial and jovian planets; terrestrial planets are closer to the Sun because they formed within the frostline, where conditions allowed for the formation of rocky bodies. Conversely, jovian planets are found further from the Sun as they formed outside the frostline, allowing them to gather more gaseous materials due to the reduced solar wind effects on these outer regions.
Additionally, any comprehensive theory needs to tackle exceptions such as the retrograde rotation of Venus, which suggests complex dynamics during the solar system's infancy. It is crucial that these fundamental constraints, namely motion, chemical composition, and age, are addressed by any viable formation model to be accepted in the scientific community.