This is the state of the star for the majority of its life and is called the "main sequence". Shares. Stars form from an accumulation of gas and dust, which collapses due to gravity and starts to form stars. ; Formation of structure within the gas clouds, due to "turbulence" and activity of new stars. We can still see leftovers of this process everywhere in the Solar System. Small red dwarf stars can last hundreds of billions of … ; As blob collapses, a disk forms, with growing "protostar" at the center. Snapshots of the simulation at 17.5, 25.0, … Stars form from the gravitational collapse of large clouds of interstellar material. High density regions of the interstellar medium (ISM) form clouds, or nebulae, where star formation takes place.. How Massive Stars Form: Simple Solution Found. Dense nebulae. The process of star formation takes around a million years from the time the initial gas cloud starts to collapse until the star is created and shines like the Sun. This makes shock waves into the molecular cloud, causing nearby gas to compress and form more stars. In the dense nebulae where stars are produced, much of the hydrogen is in the molecular (H 2) form, so these nebulae are called molecular clouds. In fact, the space between stars is not empty; it is nearly empty, but not entirely. Realize that no one saw these stars form. At any rate, in simple terms, the clumping together of protoplanets (planets in formation) eventually formed the planets. Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming regions", collapse and form stars. Main Sequence Star - Once a star, it will continue to burn energy and glow for billions of years. As the gases come together, they get hot. This allows a type of stellar coherence (young stars are found near other young stars) to build up, and is responsible for the pinwheel patterns we see in galaxies. Some stars are only just beginning to form, others are in the Main Sequence and some have begun to die. By Andrea Thompson 19 January 2009. Gravity pulls the dust and gas together to form a protostar. Stars are formed from massive clouds of dust and gas in space. In this article we explain the process of star formation for regular Sun-like stars. During this time a balance is met between gravity wanting to shrink the star and heat wanting to make it grow bigger. Steps to the formation of stars and planets: Clouds of gas form within galaxies. The very massive stars form first and explode into supernova. Instead, the properties of these stars, along with their location near gas and dust clouds where astronomers think that stars form is the basis for the belief that they are recently formed stars. ; Random turbulent processes lead to regions dense enough to collapse under their own weight, in spite of a hostile environment. 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