What are the types of evidence that scientists used to develop early models of the solar system?

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

How do scientists think that gravity affected the formation of our solar system?

Which compound contain an iron with a 3+ charge