Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming...

through fusion, they inexorably cool down after their formation. Consequently, a given neutron star reaches a surface temperature of one million K when...

regions. Such feedback effects, from star formation, may ultimately disrupt the cloud and prevent further star formation. All stars spend the majority of...

clustered nature of star formation by treating star clusters as the fundamental unit of star formation. This approach permits the growth of star particles by...

formation process. The observation of binaries consisting of stars not yet on the main sequence supports the theory that binaries develop during star...

exceptionally high rate of star formation, as compared to the long-term average rate of star formation in the galaxy, or the star formation rate observed in most...

not well known. Thus the formation of planetary systems is thought to be a natural result of star formation. A Sun-like star usually takes approximately...

(if star formation is occurring within), is a type of interstellar cloud, the density and size of which permit absorption nebulae, the formation of molecules...

"The Star Formation History of the Local Group". In F. Favata; A. Kaas; A. Wilson (eds.). Proceedings of the 33rd ESLAB symposium on star formation from...

clusters. Star formation activity in elliptical galaxies is typically minimal; they may, however, undergo brief periods of star formation when merging...

cosmological constant. Absolute time and space Big History Earth science Galaxy formation and evolution Illustris project Jainism and non-creationism Lambda-CDM...

of authors. The galaxy is low in dust and gas, and there is little star formation in it, although there has been some relatively recently in the arms...

heavy elements, eventually allowing the formation of planets. Hubble eXtreme Deep Field (XDF) Star formation rates in galaxies depend upon their local...

spots. Messier 100 is considered a starburst galaxy with the strongest star formation activity concentrated in its center, within a ring – actually two tightly...

period of enhanced star formation. The present efficiency of star formation, defined as the ratio of mass of new stars to the mass of star-forming gas, is...

parent star Kepler-452 7.98 billion years (5.82 Gya): Formation of Mira or Omicron ceti, binary star system. Formation of Alpha Centauri Star System,...

major increase (accounting for 70% to 80% of its population) in its star formation rate between 6 Ga and 2 Ga (billion years ago). There is no significant...

leading to the disruption of a star cluster. Most young embedded clusters disperse shortly after the end of star formation. The open clusters found in the...

for the formation of all young, nearby stars. These new stars are typically in molecular clouds like the Taurus molecular cloud and the open star cluster...

sequence" (galaxies that lack star formation). Star formation activity in green valley galaxies is slowing as they run out of star-forming gas in the interstellar...

were later shown to be very important and were possibly related to star formation, observed kinematics, stellar age, and even galaxy evolution in both...

center into the galactic disc. The spiral arms are sites of ongoing star formation and are brighter than the surrounding disc because of the young, hot...

rates of star formation, with rates increasing along the spiral arms as distance from the core increases. The most active region of star formation, located...

process, which is referred to as ram-pressure stripping, the medium and star formation regions appear severely truncated compared to similar galaxies outside...

have been found only in spiral and irregular galaxies, in which active star formation is occurring. Young open clusters may be contained within the molecular...

Nebulae are often star-forming regions, such as in the Pillars of Creation in the Eagle Nebula. In these regions, the formations of gas, dust, and other...

small dark nebulae containing dense cosmic dust and gas from which star formation may take place. Bok globules are found within H II regions, and typically...

sequence" (galaxies that lack star formation). Star-formation activity in green valley galaxies is slowing as they run out of star-forming gas in the interstellar...

Although it is well known that magnetic fields play an important role in star formation, research models indicate that Hall diffusion critically influences...

trigger star formation by compressing nearby, dense molecular clouds in space. The increase in turbulent pressure can also prevent star formation if the...