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
There are nine planets in the solar system
Extra solar planets are planets that is outside of 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.
There are eight planets and five dwarf planets in our solar system.
eight planets in the solar system
One way to categorize the solar system's planets?
There are 9 Planets near are Solar System.
In the solar system, we have a star, planets, dwarf planets, asteroids, comets, meteors, and human debris. (such as old satellites, probes, etc.)