Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. No wires or syncing. Download Stitcher free today.
Thursday, October 28, 2010 |
Thursday, October 28, 2010 |
Photo: Massive Cosmic Explosion Has Astronomers StumpedGamma-ray bursts are believed to precede the births of black holes and are generally thought to fall into two classes—long (two seconds or more) or short. Burst 060614, however, has mystified scientists by combining traits of both long and short gamma-ray bursts. Image by the Swift Team, courtesy NASA
|
ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
|
ADVERTISEMENT
|