Using NASA's Fermi gamma-ray space telescope, astronomers from Shanghai Normal University in China and elsewhere have investigated a distant blazar known as 4FGL J0309.9-6058. As a result, they ...
Blazars are very compact quasi-stellar objects (quasars) associated with supermassive black holes (SMBHs) at the centers of active, giant elliptical galaxies. They are the most luminous and extreme ...
Semiconductor detectors for gamma-ray imaging exploit wide-band-gap materials to combine high stopping power with room-temperature operation, compact form factors and precise spectroscopic ...
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