tiān wén > ōu zhōu nán fāng tiān wén guān tái
   ōu zhōu nán fāng tiān wén guān tái
  europeansouthernobservatory(eso), shì yóu 'ōu méng fēn guó jiā chū jiàn de guó xìng tiān wén zhìzǒng shè zài guó hēizài zhì shè yòu tiān wén guān tái