What is the birth of a star?

A star is born when atoms of light elements are squeezed under enough pressure for their nuclei to undergo fusion. All stars are the result of a balance of forces: the force of gravity compresses atoms in interstellar gas until the fusion reactions begin. read more

The baby star is surrounded by a disk of dust and gas. The disk has a mass similar to that of the young star. Baby star › › The bright light shining from the center of the dust disk signals the birth of a new star. Types of star › Nebula › › Dense clouds of gas and dust in space are called nebulas. read more