Before that, there was a cloud of dust and gas. This coalesced due to gravitation. For some details about this process, you may want to read the Wikipedia article on "Protostar".
To be a planet of the solar system
Right here. We are inside it.
A nebula
Type your answer here... cady
Pluto is not a planet. Here are the 8 planets of our solar system:MercuryVenusEarthMarsJupiterSaturnUranusNeptune
Simple then we where not here and there was 1 planet and moon less in the Solar System.
Past Mars and before Jupiter.
The second to last planet in our solar system is Uranus. It is located after Saturn but before Neptune.
There are things outside the solar system. Here are the nearest things outside our solar system, a small planet named Sedna, the Oort Cloud, and Proxima Centarui, a star 4.3 light years from earth.
Here is a very basic answer... Our solar system was what happened when remnants of a star (that exploded) were pulled together by gravity. First formed planets, then formed the Sun. This is how almost every other solar system is formed...
Type your answer here... there is no known one but there might be
After mars and before jupiter