Protostar Discipline: EducationStars begin to form from clouds of gas in space. The cold temperatures and high densities (compared to elsewhere in space, but would be considered a vacuum on Earth) of these clouds allow gravity to overcome thermal pressure and start the gravitational collapse that will form a star.Tags: cloudprotostarbrown dwarf
Stages in a Star's Life Discipline: Education The interactive H-R diagram below and our new Star In A Box app both show the life cycle of a star. The interactive H-R diagram is for a star with the same mass as the Sun, and shows how it forms and where it is on the H-R diagram at various stages of its life. The Star In A Box allows you to choose the initial mass of a star and follow it through its life.Explore the lifecycle of a star similar to the Sun.Tags: planetary nebulacloudprotostarwhite dwarfred giant
Life Cycle of Stars Discipline: Education This guide describes the life cycle of stars and the H-R diagram. It also explains how distances to stars and other objects in the universe are measured.Tags: starvariable starspectraH-R diagramprotostarlife cycle
