Quantcast

Latest Star formation Stories

7d34eca286fa533832ee3d8fef3fc0ed1
2009-04-20 09:40:00

Astronomers have completed the most comprehensive census of the star formation surrounding the Orion Nebula.

7474bc0055dddda5036d0565bfaa77621
2009-02-24 09:39:37

On long, dark winter nights, the constellation of Orion the Hunter dominates the sky. Within the Hunter’s sword, the Orion Nebula swaddles a cluster of newborn stars called the Trapezium.

0625b6aa14726ff9d4350f7043449ba61
2009-02-05 10:00:00

Researchers from the Max Planck Institute for Astronomy detect that stars were forming at record speeds in the small core region of an infant galaxy.

a46dee078cf669b2c572ca7eb68aaf901
2009-01-16 09:31:42

Theorists have long wondered how massive stars--up to 120 times the mass of the Sun--can form without blowing away the clouds of gas and dust that feed their growth.

e28e88d5cecf65725797990aee90d9e51
2008-12-31 15:10:00

New computer visualization technology developed by the Harvard Initiative in Innovative Computing has helped astrophysicists understand that gravity plays a larger role than previously thought in deep space's vast, star-forming molecular clouds.

aeb5e77a4dcffd9f2d2c3c522ecd5ac51
2008-11-19 09:53:06

The Akari infrared surveyor, a Japanese Aerospace Exploration Agency mission with ESA participation, has returned a host of new results.

7ae75af99ea503c03741f12cc593bcd6
2008-10-08 06:45:00

Different wavelengths of light swirl together like watercolors in a new, ethereal portrait of a bright, active star-forming region.

17f559ac3f42e555bd841b183dfc4dda1
2008-08-22 12:45:00

A new image from NASA's Spitzer Space Telescope tells a tale of life and death, and reveals a rich family history. The striking infrared picture shows a colorful cosmic cloud, called W5, studded with multiple generations of blazing stars.

2008-07-31 17:51:42

A new supercomputer simulation offers the most detailed view yet of how the first stars evolved after the Big Bang. The model follows the simpler physics that ruled the early universe to see how cold clumps of gas eventually grew into giant star embryos. "Until you put that physics in the code, you can't evaluate how the first protostars formed," said Lars Hernquist, an astrophysicist at Harvard University whose early-stars model is detailed in this week's issue of the...

1eb02933de4ac4d7e2682b795abcc0ba
2008-03-07 12:05:00

Astronomers have measured the distribution of mass inside a dark filament in a molecular cloud with an amazing level of detail and to great depth.


Latest Star formation Reference Libraries

6_a1ae8ebf66110513af3385295f837b592
2004-10-19 04:45:42

T Tauri -- T Tauri stars are a class of stars thought to represent extremely young pre-main sequence stars, in an early stage of life. They are seen near many molecular clouds in our galaxy. The first ones were found in 1945, identified by their optical variability and strong chromospheric lines. T Tauri stars have masses and temperatures similar to the Sun, but are significantly brighter. They have fast rotation rates, typically with a period of a few days, compared to a month for...

6_eb1c58e78fe764237148429a189b17e92
2004-10-19 04:45:42

Star Formation -- Star formation is the process by which gas in molecular clouds gets transformed into stars. In the current paradigm of star formation, cores of molecular clouds (regions of specially high density) became gravitationally unstable, and start to concentrate. Part of the gravitational energy lost in the process is radiated in the infrared, another part increases the temperature of the core. The accretion of material happen partially though a circumstellar disc. When...

6_53083d96ff77dbf99c47ef10b6a209332
2004-10-19 04:45:41

Molecular Cloud -- Molecular clouds are interstellar nebulae that have a density and size sufficient to permit the formation of H2, molecular hydrogen. However, this molecule is difficult to detect, and the molecule most used to trace the H2 is CO (carbon monoxide). The ratio between CO luminosity and H2 mass is roughly constant, although there are reasons to doubt this assumption in observations of some other galaxies. In the Milky Way, molecular clouds account for roughly one-half...

6_1e0e5cf9a2c3ce795f6505f978f2a7d42
2004-10-19 04:45:41

H II Region -- An H II region is an emission nebula associated with hot, young, blue stars, and star forming regions. H II, or singly-ionized hydrogen, is nebular gas ionized by ultraviolet light emitted by these hot, young stars of spectral type O and B. The sizes of H II regions are determined both by the amount of gas present, and by the luminosity of the O and B stars -- the more luminous the stars are, the larger the H II region can be. H II regions are found within the spiral...

3_2ba8343f20ea4b49d1ac4cbb2680b3fa2
2004-10-19 04:45:40

Horsehead Nebula -- The Horsehead Nebula, a part of the optical nebula IC434 and also known as Barnard 33, was first recorded in 1888 on a photographic plate taken at the Harvard College Observatory. Its coincidental appearance as the profile of a horse's head and neck has led to its becoming one of the most familiar astronomical objects. It is, in fact, an extremely dense cloud projecting in front of the ionized gas that provides the pink glow so nicely revealed in this picture. We...

More Articles (5 articles) »
Word of the Day
scriggle
  • To writhe; struggle or twist about with more or less force; wriggle.
  • To scribble, jot.
The word 'scriggle' is likely an alteration of 'wiggle'.
Related