4.6 billion
In most cases, the moons are about as old as the planets they orbit, perhaps slightly younger. Most objects in the solar system formed when the solar system did.
The solar system is estimated to be approximately 5 billion years old.
9 P in the S S = 9 Planets in the Solar System
Our solar system is the planets
There are nine planets in the solar system
Extra solar planets are planets that is outside of our solar system.
There are eight planets and five dwarf planets in our solar system.
That's the age of our Solar System, so you can expect all the planets in our Solar System to have approximately that age.
There are 5 rocky planets in our solar system if you count Pluto. If not, there are 4 rocky planets in the solar system.
Planets that are not part of our solar system and in other solace systems are called exo-solar planets or exoplanets.
Name the planets that do not exist in the solar system
There are 8 planets in the solar system