common sense
Examiner: three common sense every day
On April 29, 2021, at Hainan Wenchang space launch center, the Tianhe core module was launched and entered the predetermined orbit with the Long March 5 B yao-2 carrier rocket On September 25, 2016, the 500 meter spherical radio telescope was completed and put into operation, known as “ Chinese heavenly eye;, It was conceived by Chinese astronomer Nan Rendong in 1994. Features: it is led by the National Astronomical Observatory of the Chinese Academy of Sciences and has China’s independent intellectual property rights. It is the largest single aperture…
