No direction home?
PETER WILSON, SIMI VALLEY, CALIF.
Gamma-ray bursts are directional, but less than I percent of supernovas are associated with gamma-ray bursts. Moreover, the supernovas are fainter, and therefore harder to detect, than gamma-ray bursts. That's why only a few of these supernovas have been detected.--R. COWEN
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|Article Type:||Letter to the editor|
|Date:||May 13, 2006|
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