The vast majority of the points of light we see in the night sky are indeed stars. Stars are massive celestial objects that emit their own light due to nuclear fusion reactions happening in their cores. They are located at tremendous distances from us, and their light takes a significant amount of time to reach Earth.
However, there are cases where some of the objects we observe in the sky are not stars but instead planets within our own solar system. Planets are non-luminous bodies that reflect the light of the Sun. From our perspective on Earth, planets appear as bright, steady points of light that do not twinkle like stars. The five planets visible to the naked eye are Mercury, Venus, Mars, Jupiter, and Saturn.
These planets can often be distinguished from stars because they exhibit a noticeable movement over time. If you observe an object that changes its position relative to the stars over a few nights, chances are it's a planet. Additionally, with the aid of telescopes or binoculars, we can observe the planets more closely and see their disks, phases (in the case of Mercury and Venus), and other distinguishing features.
So, while the majority of the points of light in the night sky are stars, there are indeed planets that can be observed with the naked eye or through telescopes.