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Measure the average cosmic dust density using quasar continuum [2015-03-20]
Cosmic dust —— dust in space—— includes intergalactic dust, interstellar dust, interplanetary dust and circumplanetary dust, which can cause not only extinction but also reddening for the remote background objects. Cosmic dust extinction plays a very important role in cosmological study. ... more |
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SHAO Astronomers discovered two new types of molecules as Megamasers [2014-11-12]
Since the late 1970s, only three types of molecules have been found to form megamasers: water, hydroxyl and formaldehyde. In a recent work, Prof.
Junzhi Wang from Shanghai Astronomical Observatory, together with his colleagues, detected both SiO and CH3OH mega-masers near the center of Se... more |
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Professor James M. Stone’s visit to Shanghai [2014-10-09]
Invited by the Research Center for Galaxy and Cosmology of Shanghai Astronomical Observatory (SHAO), Prof. James M. Stone from Princeton University visited SHAO during Sept. 23 – 27 and gave a colloquium talk in the Lecture Hall.
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The Nearest High Velocity Stars Revealed by LAMOST Data Release 1 [2014-07-15]
Chinese astronomers have reported the discovery of 28 candidate high-velocity stars, stars that whizz around so fast that they may escape from the Milky Way galaxy. The superfast moving stars are found at distances of up to one third ofthe distance to the center of our Milky Way, with speeds in e... more |
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The 3rd International Gravity Field Service General Assembly (IGFS2014) [2014-07-08]
The 3rd International Gravity Field Service General Assembly (IGFS2014) was held in Shanghai, June 30th - July 6th, 2014, at the Shanghai Astronomical Observatory (SHAO), Chinese Academy of Sciences, which was devoted to methods for observing, estimating and interpreting the Earth gravity field... more |
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