The exoplanets discovered so far bear similarities to our own solar system, but also some differences. Distinguish between what is true and false regarding how exoplanets compare with our own solar system. True False Neither terrestrial nor gas giant When planets form, they seem to remain planets are rare. where they formed "Super-Earths" are abundant, but absent from our solar system Hot Jupiters are commonly detected, but absent from our solar system Gas giant planets are the most common Many exoplanets have large orbital eccentricities Terrestrial planets are the most common .