Leverrier sent his information to the Urania Observatory in Berlin, Germany.
Leverrier sent his information to the Urania Observatory in Berlin, Germany.
勒威耶把他的发现告诉了柏林的乌兰尼亚天文台。
Leverrier sent his information to the Urania Observatory in Berlin, Germany.
勒威耶把他的发现告诉了柏林的乌兰尼亚天文台。