2016
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
US
|
|
|
Japan
|
|
|
China
|
|
|
Russia
|
Detailed explanation-1: -Quantum Experiments at Space Scale (QUESS; Chinese: ; pinyin: Liàngzǐ kēxué shíyàn wèixīng; lit. ‘Quantum Science Experiment Satellite’), is a Chinese research project in the field of quantum physics. SATCAT no. Tiangong-2 is China’s second Space Laboratory module which was launched on 15 September 2016.
Detailed explanation-2: -In 2016, China launched the world’s first quantum communication satellite (QUESS, or Mozi/Micius) and achieved QKD with two ground stations which are 2, 600 km apart. In 2017, an over 2, 000-km long optical fiber network was completed for QKD between Beijing and Shanghai.
Detailed explanation-3: -It is the world’s first quantum communications satellite, launched by China in 2016. The satellite serves as the source of pairs of entangled photons. Entangled photons are twinned light particles whose properties remain intertwined no matter how far apart they are.
Detailed explanation-4: -The first commercial communications satellite, Intelsat 1, also known as Early Bird, was launched in 1965.
Detailed explanation-5: -China had launched the world’s longest secure quantum communication line. Q. Which country has launched the world’s longest zip line?