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,...
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...
SHAO was formally established in 1962 following the amalgamation of the former Xujiahui (originally spelt Zi-Ka-Wei) and Sheshan observatories, which were founded by the French Mission Catholique in 1872 and 1900 respectively.
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