The preposition is followed by its object (and words that modify the object in the prepositional phrase). A preposition is a word that occurs before a noun/pronoun in a clause. Preposition means, pre-before and position-the object's location.
The most widely accepted scientific explanation for the formation of the Solar System is called the Solar Nebular Model. According to this model, the entire Solar System formed around 4.5 billion years ago from the gravitational collapse of a small fraction of a giant molecular cloud, also known as a nebula.
Originally applied to the Solar System, the process of planetary system formation is now thought to be at work throughout the Universe.[1] The widely accepted modern variant of the nebular hypothesis is the solar nebular disk model (SNDM) or solar nebular model.[2] It offered explanations for a variety of properties of the Solar System, including ...