how is star formed?

Answer 1

A lot is known about star formation---it is an entire sub-field of astronomy, with numerous books written on the subject and considerable active research. So you're not going to get a complete answer here.

But basically, stars form from interstellar molecular clouds, by gravitational contraction. A piece of the interstellar cloud becomes unstable and collapses into a protostellar nebula. This is a fairly rare event---the mass of interstellar molecular gas in the Milky Way is several billion times the mass of a star, but only a few stars form each year.

Answer 2

A star is born from Dust and Gas that are in the same vecinity. If you are wondering places where stars are born look up Eagle Nebula or any other nebula like horsehead and crab. Well gravity pulls in the dust and gas until they are all together. Thye gravity turn up the heat due to all the close dust and gas. Then it heats up to 18 million degrees F. The Hydrogen turns to Helium and the star is born. Hope that helps.

Answer 3

A star starts out as a black hole, and area in the universe where matter has formed to such a great amount that its gravitational pull becomes immense. So power full is its gravitational pull that it continues to accelerate matter at a greater rate with each passing moment. Near the end of its cycle, the massive accumulation of matter is so great and its gravitational pull is so strong that even light particles at their high speeds-286,000 miles per second, cannot escape it, becoming part of this mass. Eventually the massive buildup is so compressed that a massive explosion occurs changing the solid matter into a massive fireball. The energy does not spill into space, but is held together in a sphere by its own gravitational pull. This change of solid matter into heat energy is the formation of a star. As billions of years go by the star runs out of energy and starts to swell into a gigantic mass that eventually attracts more mass, it will become a star again either by imploding or by becoming a black hole and starting that process all over again.....Note, even though there are several theories out there put out by the most prominent astronomers, this, is the fact of the birth of a star, but its original architect is Jehovah, who knows every star, trillions of them by name......KECK

Answer 4

A star is formed from the eyes of angels who watch over us!

Answer 5

Accretion. A large expanse of gas is disturbed by a super-nova or other stellar event. Gravity takes over, things start spinning, and next thing you know you have a star and possibly planets.