What is the star kindergarten?
"Stellar Nursers" is a romantic way to refer to a molecular cloud in the process of creating new stars. Molecular cloud is the area of the space sufficiently dense with hydrogen atoms that can form molecules, most often H2 or diatomic hydrogen. Molecular clouds can be giant, with 1000 to 100,000 times the weight of the sun or less, less than a few hundred larger weight of the sun. These are called giant molecular clouds and small molecular clouds.
As far as we know, stars are formed exclusively in these molecular clouds, and therefore the nickname "star kindergarten". To make a molecular cloud to be a star kindergarten, several conditions must be determined. First, the molecular cloud must have enough pockets with sufficient density ("molecular cores") to provide a raw material for stars. Second, molecular cloud must be subjected to agitation forces such as nearby large stars or supernova. When a part of the molecular cloud is illuminated and ionized by radios of nearby massive stars with the NazIt is an area of hii.
Because the HII areas are parts of molecular clouds that are most disturbed by external sources, they are the most likely place where it is a star kindergarten. External influences are necessary to create a star, because otherwise the critical density is rarely achieved in the molecular cloud. If the density is not sufficient, then the gas particles in the cloud simply circulate forever. Due to the external influence, such as the supernova shock wave, molecular clouds can condense in localized areas and become what is called the side of the globule.
Globule's side are very dense cores found in star nurseries. They usually contain about 10-50 solar masses in the material value in the area of about a light year across. Globule hips are remarkable in astronomy because they contain different molecules that usually do not occur in typical sleeping interstellar space: molecular hydrogen, carbon oxidesU, helium and silicate dust. Sooner or later, it is assumed that many sides of globules collapse will collapse stars or more often binary star systems or star clusters. In fact, our sun is considered an anomaly that it does not have a binary couple.
Stellar nurSeries are eventually destroyed by the stars that create them. The new stars either sucked in most of the local material or blow them through the sun wind. Eventually, these newborn stars could explode in supernova and create the work of other stars in nearby star kindergartens.