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AstronomyUnique Explosion: Gamma-ray burst leads astronomers to supernova
Astronomers have found a supernova associated with the second-closest-known gamma-ray burst, confirming a model in which bursts arise from material blasted into space by a supernova explosion.
By Ron Cowen -
19651
In the article, the author states that the observed supernova was “one of only a handful . . . heralded by a burst of gamma rays.” Isn’t that because gamma-ray bursts from core-collapse supernovas are directional, along the axis of rotation? Was GRB 060218 “unique” because it produced a burst of gamma rays or because […]
By Science News -
ArchaeologyAncient Andean Maize Makers: Finds push back farming, trade in highland Peru
Fossilized plant remains recovered from a nearly 4,000-year-old house in the Andes Mountains of southern Peru show that highland inhabitants cultivated maize and imported other plant foods from lowland forests at around the time that large societies developed in the region.