Chinese Astronomers Measure Geometric Distance to Quasar 3C 273

Jan 16, 2020

Since the discovery of quasars more than half a century ago, measuring their distances has always been a fundamental problem for cosmology. Recently, a team led by Professor WANG Jianmin from the Institute of High Energy...

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First Half of LHAASO KM2A Now in Operation

Jan 06, 2020

Construction on the first half of the 1-km2 Extensive Air Shower (EAS) array (KM2A) located at the Large High Altitude Air Shower Observatory (LHAASO) was recently completed. The array of detectors is now in operation...

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