Star forming regions as a research area focuses on the physical processes governing the collapse of molecular clouds and the subsequent birth of stars and planetary systems. This field investigates the interplay of gravity, turbulence, magnetic fields, and feedback from young stellar objects using multiwavelength observations (radio to X-ray) and magnetohydrodynamic simulations. Key topics include the initial mass function, core and filament formation, protostellar accretion, disk evolution, and triggered versus spontaneous star formation. Research also addresses chemical evolution in dense cores, the role of environment (e.g., metallicity, radiation fields), and the impact of stellar feedback on regulating star formation efficiency and shaping galactic structure.
According to the most widely held astronomical model (the nebular hypothesis), new stars are born from massive clouds of dust and gas (aka a nebula) that experience gravitational collapse. The remaining dust and gas form ...
Astronomy
Jan 13, 2025
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The missing ingredient for cooking up stars in the same way you might steam your Christmas pudding has been spotted for the first time by astronomers. Much like a pressure cooker has a weight on top of its lid to keep the ...
Astronomy
Dec 19, 2024
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An international research team has used the James Webb Space Telescope (JWST) to observe massive galaxies discovered by the Subaru Telescope in a corner of the early universe known as the Spiderweb protocluster. The JWST ...
Astronomy
Dec 18, 2024
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Most stars form in collections, called clusters or associations, that include very massive stars. These giant stars send out large amounts of high-energy radiation, which can disrupt relatively fragile disks of dust and gas ...
Astronomy
Oct 28, 2024
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Newborn stars are surrounded by disks of gas and dust within which planets are born, known as protoplanetary disks. In the Orion Nebula, the brightest and most massive stars emit intense ultraviolet radiation that illuminates ...
Astronomy
Oct 28, 2024
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Using the Purple Mountain Observatory (PMO), Chinese astronomers have observed a mid-infrared interstellar bubble known as N59. They detected multiple cloud-cloud collisions that may be behind star formation processes in ...
Controlled chaos is a key part of forming massive stars. An international team of astronomers has observed evidence that massive stars can be born from rapidly collapsing clouds of gas and dust, challenging long-held assumptions ...
Astronomy
Oct 22, 2024
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This image from the NASA/ESA Hubble Space Telescope features the spiral galaxy IC 1954, located 45 million light-years from Earth in the constellation Horologium. It sports a glowing bar in its core, majestically winding ...
Astronomy
Sep 30, 2024
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