The planetalities of the solar system are fascinating to study.

There are planetfuls of stars in the night sky.

The universe is planetful of stars.

There are several dwarf planets in our solar system.

There are four terrestrial planets in our solar system.

The Jovian planets in our solar system are Jupiter, Saturn, Uranus, and Neptune.

There are thousands of minor planets in our solar system.

Jupiter and Saturn are the major planets in our solar system.

Scientists have discovered thousands of extrasolar planets.

Scientists have discovered thousands of exosolar planets.