aug 062013
 
Supernova Remnant is Creating New Molecules

  Astronomers using ALMA, the Atacama Large Millimeter/submillimeter Array, have detected, for the first time, the formation of new molecules in the remains of a star that went supernova. By detecting and mapping the distribution of these molecules, the researchers also have caught a glimpse of the final internal structure of the star, which became [continue reading]

mei 262012
 
The Anatomy of a Stellar Outflow

  Astronomers used to think that star formation simply involved the gradual coalescence of material under the influence of gravity. No longer.  A Hubble image of a jet of emission from a young star (Herbig-Haro 111). A new paper reports that infrared spectra of a jet has uncovered a rich trove of diagnostic emission lines [continue reading]