Gravity
And whatever caused the Big Banger
The Solar System is a oval because that how the planets form it .
There is only one star in our solar system and that is the sun.
Venus is the second planet out form the Sun in the solar system.
Gravity.
The solar system is estimated to be approximately 5 billion years old.
Asteroids, comets, planets, the Sun and other object form the solar system
No. They form in the outer solar system where it is cold enough.
A solar system!
Almost everything in the solar system at this time. Planets, Moons.
It is believed that the death of a star in a supernova explosion, gave the inertia for our Solar System to begin to form.
An explosion from outside the nebula
The solar system has existed in its present form for about 4.5 billion years.