mrt 272013
 
How To Build A Really, Really Big Star

  It takes a village, say researchers   Stars ten times as massive as the Sun, or more, should not exist: as they grow, they tend to push away the gas they feed on, starving their own growth. Westerhout 3 (W3) is a giant molecular cloud about 6200 light-years away in the Perseus Arm, one of the [continue reading]

feb 012013
 
Hungry Twin Stars Gobbling Their First Meals

  Just-forming stars, like growing babies, are always hungry and must “feed” on huge amounts of gas and dust from dense envelopes surrounding them at birth. Now a team of astronomers including Robert Gutermuth, a University of Massachusetts Amherst expert in imaging data from the Spitzer Space Telescope, reports observing an unusual “baby” star that [continue reading]