A new star is formed by gravitational contraction of an interstellar molecular cloud consisting of gas and dust. In the course of this process, a gas disk (protoplanetary disk), whose size is on the order of 100 AU, forms ...
Astronomy
Feb 13, 2014
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(Phys.org) —Astronomers working to estimate the rate of star formation inside murky distant galaxies, those shrouded in dust clouds that make it very difficult to study them, have published data from a brand new instrument, ...
Astronomy
Nov 7, 2014
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Using the James Clerk Maxwell Telescope (JCMT), an international team of astronomers has observed a nearby molecular cloud designated Lynds 43. Results of the observations, published May 18 on the arXiv pre-print server, ...
Scientists studying a nearby protostar have detected the presence of water in its circumstellar disk. The new observations made with the Atacama Large Millimeter/submillimeter Array (ALMA) mark the first detection of water ...
Planetary Sciences
Mar 8, 2023
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(Phys.org)—Astronomers have detected about 180 molecules in interstellar space, from simple ones like carbon monoxide (one atom of carbon and one of oxygen) to complex species like buckminsterfullerene (sixty atoms of carbon) ...
Astronomy
Sep 10, 2012
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(Phys.org) —Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) telescope have discovered signs of star formation perilously close to the supermassive black hole at the center of the Milky Way Galaxy. ...
Astronomy
Apr 4, 2013
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An international team of astronomers has mapped in detail the star-birthing regions of the nearest star-forming galaxy to our own, a step toward understanding the conditions surrounding star creation.
Astronomy
Nov 30, 2011
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(Phys.org)—Data from two ESA missions combine in a new view of the peculiar supernova remnant W44. The filamentary shell-like structure, detected by the Herschel Space Observatory at far-infrared wavelengths, is filled ...
Astronomy
Nov 14, 2012
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Rocky planets like Earth start out as microscopic bits of dust tinier than a grain of sand, or so theories predict.
Astronomy
Aug 27, 2014
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The constellation of Cygnus is one of the most recognisable in the northern hemisphere. During the summer months, the stars of its long neck stretch along the Milky Way and its wings sweep from side to side.
Astronomy
May 4, 2015
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