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...
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.