ScienceDaily: Stars News |
| Coldest brown dwarfs blur lines between stars and planets Posted: 05 Sep 2013 01:05 PM PDT Astronomers are constantly on the hunt for ever-colder star-like bodies, and two years ago a new class of such objects was discovered. However, until now no one has known exactly how cool their surfaces really are -- some evidence suggested they could be room temperature. A new study shows that while these brown dwarfs, sometimes called failed stars, are warmer than previously thought with temperatures about 250-350 degrees Fahrenheit. |
| Powerful jets discovered blowing material out of galaxy Posted: 05 Sep 2013 11:27 AM PDT Astronomers using a worldwide network of radio telescopes have found strong evidence that a powerful jet of material propelled to nearly light speed by a galaxy's central black hole is blowing massive amounts of gas out of the galaxy. This process, they said, is limiting the growth of the black hole and the rate of star formation in the galaxy, and thus is a key to understanding how galaxies develop. |
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