Fortune Telling Collection - Horoscope - 20 17 what are the top ten aerospace news in the world?
20 17 what are the top ten aerospace news in the world?
2. NASA found that Enceladus has the basic conditions for life. On April 17, the National Aeronautics and Space Administration (NASA) announced that Enceladus had all the conditions for life. Through the long-term exploration of Cassini Saturn probe and the long-distance astronomical observation of Hubble Space Telescope, NASA confirmed that there are substances such as global ocean, hydrothermal circulation, hydrogen and carbon dioxide under Enceladus ice sheet, which have the basic conditions for life-water, basic chemicals and heat source. NASA believes that Enceladus is one of the most likely celestial bodies in the solar system to have life.
3. The United States held the first "space flag" military exercise 20 17. April 17-1"was held by the Space Command of the US Air Force at the Virtual War Center of the Phantom Factory of Boeing Company. This was the first time that the US military conducted an actual military exercise for the space forces in order to hone their combat skills. On August 25th, the "Space Flag 17-2" exercise ended, forming an institutionalized arrangement twice a year.
4. American satellite VIASAT-2 set a new record for the communication capacity of a single satellite, 2065438+June 2007 1. VIASAT-2 satellite was successfully launched with a maximum communication capacity of 300 Gbps, which is the largest single satellite system deployed and operated so far. With the increasing demand for Internet services and mobile broadband access, Qualcomm Satellite (HTS) has become the fastest-growing and most potential system in the field of communication satellites, leading the new trend of industry development.
5.QB50 international cooperation project was successfully implemented. 20 17 On June 23rd, the second batch of eight satellites of QB50 project successfully entered the sun-synchronous orbit with Indian polar-orbiting satellite launch vehicle XL, and the deployment of QB50 scientific satellite was officially completed. The project has carried out the largest multi-point in-situ detection project in the lower atmosphere of the earth so far. It was initiated by the European Union on 20 1 1 and implemented by the international agency 15. More than 40 universities, research institutions and companies from 23 countries have participated in satellite development, which has become a new model of international space cooperation.
6. The compression cabin of cargo spacecraft was reused for the first time by American Space Exploration Technology Company. On July 4, 20 1 1, Space Exploration Technology Company successfully returned to Earth. The "Dragon" spacecraft carrying out this mission was launched in September 20 14, and returned to Earth after docking with the International Space Station (ISS) for 34 days. The success of this mission marks the first time that the compression cabin of cargo spacecraft can be reused in space history, which can greatly reduce the mission cost and improve the radio frequency.
7. The mission of Tianzhou-1 was a complete success, and the mission of China Space Laboratory was a complete success. 201On April 20th, 2007, China's first cargo spacecraft Tianzhou-1 was launched by the Long March 7 Remote II medium-sized launch vehicle. As of September, Tianzhou-1 and Tiangong-2 Space Laboratory have carried out a series of tasks and successfully verified the key technologies such as cargo replenishment, propellant on-orbit replenishment and autonomous rapid rendezvous and docking. The successful mission of Tianzhou-1 marks the successful completion of the second step of China's manned spaceflight project.
8. Beidou-3 was successfully launched, and China Beidou entered a new era of global networking. 1On October 5th, China successfully launched the 24th and 25th Beidou navigation satellites with the Long March -3B carrier rocket in xichang satellite launch center. The satellites launched this time are 1 and 2 networking satellites of China Beidou-3, which opens a new era of global networking of Beidou satellite navigation system, and the "three-step" development strategy of Beidou satellite navigation system has entered the "last step".
9. The United States restarted the "Return to the Moon" program. In February 2007, 17 and 12, US President Trump signed a space policy order to restart the "Return to the Moon" program. Led by the National Space Commission, which was rebuilt this year, the plan will take the form of cooperation between government and social capital and international cooperation, and carry out deep space exploration activities with the moon as a "pedal", with the ultimate goal of realizing manned exploration of Mars. A major shift in the focus of American space exploration will have a major impact on global space exploration activities.
10. The "Next Generation Iridium" mobile communication satellite system began to be deployed. On February 23rd, 20 17, Iridium Company successfully launched the fourth batch of "Iridium NEXT", and completed the deployment of 40 satellites throughout the year, which further promoted the upgrading of its LEO mobile communication constellation. In recent years, the field of LEO communication constellations abroad is in full swing, and more than 30 constellations have been put forward, which will reshape the overall pattern of satellite communication industry and have a great impact on the traditional satellite development, launch and application service model.
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