Star formation, once thought to consist essentially of just the simple coalescence of material by gravity, actually occurs in a complex series of stages. As the gas and dust in giant molecular clouds come together into stars, ...
Astronomy
May 8, 2015
31
1591
Globular clusters—dazzling agglomerations of up to a million ancient stars—are among the oldest objects in the universe. Though plentiful in and around many galaxies, newborn examples are vanishingly rare and the conditions ...
Astronomy
May 7, 2015
0
1218
How soon after the Big Bang could water have existed? Not right away, because water molecules contain oxygen and oxygen had to be formed in the first stars. Then that oxygen had to disperse and unite with hydrogen in significant ...
Astronomy
Apr 28, 2015
9
482
ESA's Rosetta spacecraft has made the first measurement of molecular nitrogen at a comet, providing clues about the temperature environment in which Comet 67P/Churyumov-Gerasimenko formed.
Space Exploration
Mar 20, 2015
4
101
High performance materials for gas storage, thermal insulators or nanomachines need a thorough understanding of the behavior of the material down to the molecular level. Thermodynamics, which have been developed two hundred ...
Nanophysics
Feb 26, 2015
1
1515
Stars are born in dense, cool clouds of molecular gas and dust. When the local density is high enough, the matter can gravitationally collapse to form a new star, a so-called young stellar object (YSO). In its early phases, ...
Astronomy
Dec 8, 2014
1
0
Astronomers from the University of Toronto and the University of Arizona have provided the first direct evidence that an intergalactic "wind" is stripping galaxies of star-forming gas as they fall into clusters of galaxies. ...
Astronomy
Nov 13, 2014
0
3
(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
0
0
(Phys.org)—New research by academics at the University of Sheffield has solved a long-standing mystery surrounding the evolution of galaxies, deepening our understanding of the future of the Milky Way.
Astronomy
Jul 7, 2014
2
1
(Phys.org) —Celebrants this Fourth of July will enjoy the dazzling lights and booming shock waves from the explosions of fireworks. A similarly styled event is taking place in the galaxy Messier 106, as seen by NASA's Spitzer ...
Astronomy
Jul 3, 2014
23
0
