Tag Archives: Astrophysics

Gustafsson in PPC-CERN: “Fermi Gamma-ray Space Telescope Observations of the Galactic Center”

  A forthcoming paper of the Fermi-LAT Collaboration will describe method and results yielding to the left plot (the right one is widely known).  A map of the galactic center after 2 years of Fermi operation by the Large Area Telescope (LAT) … Continue reading

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Haiman in Nature, “Cosmology: A smoother end to the dark ages”

“Independent lines of evidence suggest that the first stars, which ended the cosmic dark ages (lasting for 100 million years), came in pairs rather than singly. The appearance of the first stars marked a significant milestone, separating the history of … Continue reading

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Peebles in Nature, “How galaxies got their black holes”

“A large galaxy usually has a central, compact massive object, termed a relativistic black hole for want of a better idea of what it is, that can produce great bursts of energy. When the black hole is surrounded by a … Continue reading

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