mrt 292014
 
Anne's Image of the Day: Herbig–Haro objects HH1 and HH2

  March 29, 2014 HH1 and HH2, gas jets from a proto-star in Orion Image Credit: J. Hester (Arizona State University), the WFPC 2 Team and NASA/ESA Herbig–Haro objects HH1 (left) and HH2 (right) are gas jets from a proto-star, located about 1,500 light-years away from Earth in the equatorial constellation of Orion (the Hunter), [continue reading]

jan 042014
 
A New Study of How Binary Stars Form

  Using the new capabilities of the upgraded Karl G. Jansky Very Large Array (VLA), scientists have discovered previously-unseen binary companions to a pair of very young protostars. The discovery gives strong support for one of the competing explanations for how double-star systems form. Binary star formation through disk fragmentation starts (left) with a young [continue reading]

okt 062013
 
Large "Hot" Cocoon around a Little Baby Star Found

  A large hot molecular cloud around a very young star was discovered by ALMA. This hot cloud is about ten times larger than those found around typical solar-mass baby stars, which indicates that the star formation process has more diversity than ever thought. This result was published in the Astrophysical Journal on September 20th, [continue reading]

sep 022013
 
ALMA Found One of the Brightest and Massive Protostars

  Thanks to data detected with the ALMA radio telescope, the Atacama Large Millimeter/submillimeter Array, Chilean and foreign astronomers were able to detect a star in formation–a protostar–that appears to be one of the brightest and massive found in our Milky Way galaxy. The giant  molecular cloud known as G331.5-0.1, which is located in the [continue reading]

jun 042013
 
Anne's Picture of the Day: Star Cluster IC 348

June 4, 2013 IC 348, an open star cluster in Perseus Image Credit: NASA, ESA, J. Muzerolle (STScI), E. Furlan (NOAO and Caltech), K. Flaherty (Univ. of Arizona/Steward Observatory), Z. Balog (Max Planck Institute for Astronomy), and R. Gutermuth (Univ. of Massachusetts, Amherst) IC 348 (also known as IC 1985) is a 2 million year old [continue reading]