the gravitational forces from nearby solar systems allowed a nebula to form and in that nebula were all the compounds needed to form the sun and planets.
Gravity.
The sun was likely created about 5 billion years ago along with the Earth and later the moon. Because it is not a SOLAR system without a sun, this means that the solar system itself was created around this time
The 8 planets in our solar system are mostly spherical in shape due to their gravitational forces pulling them into a roughly spherical form. However, factors such as rotation and composition can lead to some variations in shape.
A group of planets revolving around a star is called a solar system. Each planet orbits the star in the center of the system and together they form a celestial family held together by gravity. The most well-known solar system is our own, which consists of eight planets orbiting the Sun.
The solar system formed from the gravitational collapse of a cloud of interstellar gas.
We strongly suspect that every other solar system will be different, probably RADICALLY different, from our own. Every star is a little different; the mass that coalesced to form the solar system is different, and the unimaginably random factors that caused each solar system to form as it did - those are also different.
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.
The solar system has existed in its present form for about 4.5 billion years.