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A Novel Method to Weigh the Milky Way with Its “Missing” Baryons     [2020-12-17]
The Milky Way ( MW ) , the Galaxy that we reside in , contains many mysteries .Astronomical observations have provided strong evidence that the Galaxy is dominated by dark matter , while the normal matter , the baryons , only accounts for a small fraction of about 6% of the total gravitating matt... more
W020201118639707119429.png Prof. Tao An and collaborators are in the finalists for the 2020 "Gordon Bell...     [2020-11-18]
[ November 16 , " Processing full - scale Square Kilometre Array workflow on the Summit supercomputer " , with the participation of Professor Tao An and Mr . Baoqiang Lao of the Shanghai Astronomical Observatory ( SHAO ) .DALiuGE is able to manage up to tens of millions of tasks simultaneously , ... more
W020200516725001507498.bmp Evidence for Past Supermassive Black Hole Jets in the Milky Way Galaxy Reveal...     [2020-05-06]
A pair of gigantic gamma-ray bubbles centered on the core of the Milky Way galaxy were discovered by the Fermi Gamma-ray Space Telescope 10 years ago. The question of how they were formed still remains as a mystery. Recently, researchers at Shanghai Astronomical Observatory presented a new model,... more
Searching for the Polyphony Players——Compact Group of Galaxies     [2019-12-10]
Galaxies are the building blocks of the visible universe , inhabiting a variety of environments .Observations show that over half of the galaxies are located in group systems which have members from a few to dozens .One of the important observational samples of the LAMOST spectral survey is to su... more
1.jpg Chinese Scientists Complete First SKA Regional Center Prototype     [2019-11-22]
Chinese scientists have developed the first regional center prototype of the Square Kilometer Array ( SKA ) , the world ' s largest astronomical device .The prototype , developed by the Shanghai Astronomical Observatory ( SHAO ) with the support of the Ministry of Science and Technology and the C... more
Searching the predecessor of the merging galaxy     [2019-07-19]
On a clear night in 1785 , William Herschel used his own telescope to observe as usual .The difference is that this night he found a very unusual celestial object in Corvus ( the Antennae Galaxy , Fig .Since then , such kind of celestial objects , called the merging galaxies , have fascinated cou... more
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