ScienceDaily: Cosmic Rays News |
| Fast radio bursts might come from nearby stars Posted: 12 Dec 2013 09:34 AM PST First discovered in 2007, "fast radio bursts" continue to defy explanation. These cosmic chirps last for only a thousandth of a second. The characteristics of the radio pulses suggested that they came from galaxies billions of light-years away. However, new work points to a much closer origin -- flaring stars within our own galaxy. |
| Collapse of the universe is closer than ever before Posted: 12 Dec 2013 08:30 AM PST Maybe it happens tomorrow. Maybe in a billion years. Physicists have long predicted that the universe may one day collapse, and that everything in it will be compressed to a small hard ball. New calculations now confirm this prediction -- and they also conclude that the risk of a collapse is even greater than previously thought. |
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