Xem 1-4 trên 4 kết quả Ray bursts
  • Since their discovery was first announced in 1973, gamma-ray bursts (GRBs) have been among the most fascination objects in the universe. While the initial mystery has gone, the fascination continues, sustained by the close connection linking GRBs with some of the most fundamental topics in modern astrophysics and cosmology. Both authors have been active in GRB observations for over two decades and have produced an outstanding account on both the history and the perspectives of GRB research.

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  • The first historical test on the theory has been the deflection of light grazing the solar surface (Eddington 1919): the compatibility of the theory with this first experiment together with its ability to explain the magnitude of the perihelion advance of Mercury contributed strongly to boost acceptance and worldwide knowledge.

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  • In the late 1990s, the gamma-ray burst (GRB) community ignited the current excitement over transient astronomical events. Gamma-Ray Bursts (GRBs) were a real enigma until ultra-fast event dissemination allowed optical identification of afterglows, leading to rich data and rich science. The events back then were both valuable and infrequent: every new GRB could make a career for a young astronomer, and they were only detected every few days.

    pdf10p giamdocamnhac 06-04-2013 20 3   Download

  • She burst into my office, her cheesy grin a ray of sunshine on a cold, dark, rainy winter’s afternoon. “Detective, er … Um?” she said looking at the name plate on the frosted glass door panel. I fumbled as I stood from where I had been dozing at my desk, trying without success to keep my brain from going blank, rows of Zs stretching across my computer screen where my finger had come to rest. “The name’s Ulm,”

    pdf18p khangoc2395 27-08-2012 10 1   Download

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