Results 301 to 310 of about 332,346 (345)

Magnetic star-planet interaction in the young exoplanet system DS Tucanae Ab

open access: yes
Santos Ld   +13 more
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Primordial Rotating Disk Composed of ≥15 Star Forming Clumps at Cosmic Dawn

open access: yes
Fujimoto S   +45 more
europepmc   +1 more source
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Evolution of Southern Star-Forming Regions

Astrophysics and Space Science, 1997
We present ISO observations of bright, high-mass southern star-forming regions with the Short Wavelength Spectrometer (SWS) and Long Wavelength Spectrometer (LWS). The selected targets show a range of pre-main sequence evolutionary phases. Whereas some objects still show interstellar ice features, the most evolved objects are coincident with ...
Ehrenfreund, P.   +7 more
openaire   +3 more sources

Carbon Dioxide in Star-forming Regions

The Astrophysical Journal, 2000
We consider the gas-phase chemistry of CO2 molecules in active regions. We show that CO2 molecules evaporated from dust in hot cores cannot be efficiently destroyed and are in fact copiously produced in cooler gas. When CO2-rich ices are sputtered in strong MHD shock waves, the increase in atomic hydrogen, due to H2 dissociation by ion-neutral ...
, Charnley, , Kaufman
openaire   +2 more sources

Star forming regions

Vistas in Astronomy, 1988
With recent improvements in the mm-wave, IR and high-sensitivity optical observations various new features of star formation embedded in dark clouds have been revealed. These are expanding shock fronts due to newly formed massive stars, gaseous disks surrounding proto stars, the energetic bipolar molecular flows, and the weRlcollimat'ed ionized jets ...
openaire   +1 more source

Chemistry of Star-Forming Regions

The Journal of Physical Chemistry A, 2005
The space between stars is not empty but contains gas-phase and particulate matter under varying conditions. Neutral matter is found mainly in large regions of the interstellar medium known as "clouds", the largest of which, termed "giant molecular clouds", are essentially molecular in nature.
openaire   +2 more sources

Magnetic massive stars in star forming regions

Proceedings of the International Astronomical Union, 2018
AbstractOne idea for the origin of magnetic fields in massive stars suggests that the magnetic field is the fossil remnant of the Galactic ISM magnetic field, amplified during the collapse of the magnetised gas cloud. A search for the presence of magnetic fields in massive stars located in active sites of star formation led to the detection of rather ...
Swetlana Hubrig   +2 more
openaire   +1 more source

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