what are all the planets of the universe?

Answer 1

Many exoplanets (outside our solar system) have been discovered, and more are being discovered all the time, so we really do not know how many there are in our galaxy alone. We know for sure which planets are in our solar system, as in Kaushalendra's answer, allowing for the disputed status of Pluto. Generally, Pluto is considered to be an asteroid.

Answer 2

There are 9 planets of the universe

Mercury

venus

earth

mars

jupiter

saturn

uranus

neptune

pluto