Why some theories seem more possible than others?

Some theories seem more possible than others due to their alignment with established scientific principles, empirical evidence, and logical coherence. Theories that can be tested and validated through experimentation often gain greater acceptance within the scientific community. Additionally, their ability to explain a wide range of phenomena and make accurate predictions enhances their credibility. Ultimately, the plausibility of a theory is influenced by its consistency with existing knowledge and its adaptability to new information.