日韩精品久久一区二区三区_亚洲色图p_亚洲综合在线最大成人_国产中出在线观看_日韩免费_亚洲综合在线一区

US EUROPE AFRICA ASIA 中文
China / Society

Work completed on satellite launch center in Hainan

By SUN LI (China Daily) Updated: 2014-10-18 04:55

Construction of the Wenchang Satellite Launch Center in Hainan province, China’s fourth and most advanced space launch center, has been completed and it will soon become operational, People’s Daily reported on Friday.

The center is designed to handle next-generation rockets and space station modules. Building work began in 2009.

Situated on the northeast coast of Hainan, about 60 km from Haikou, the provincial capital, the center is the country’s first coastal satellite launch base.

The location, about 19 degrees north of the equator, is suitable for launching geosynchronous satellites, heavy satellites, large space station components and lunar and interplanetary missions. Geosynchronous satellites orbit in a fixed position above Earth.

To date, the nation’s most widely used space facility is the Jiuquan Satellite Launch Center in the Gobi Desert. The other two centers are in Taiyuan, Shanxi province, and in Xichang, Sichuan province.

Pang Zhihao, a senior researcher at the China Academy of Space Technology, said the location of the Wenchang center suggests it will have an unparalleled advantage compared with the other three centers.

“A satellite launched from Wenchang is supposed to enable a fuel consumption saving of about 15 percent in rockets compared with launches from the Xichang center. This is because its latitude makes for a shorter time from transitory orbit to geosynchronous orbit,” Pang said, adding that this can prolong the service life of a satellite.

Pang said the location also means that rockets’ payloads can be increased, allowing them to carry heavier satellites. As the new center faces the sea to the south and east, there is also no danger of debris from launch vehicles falling into residential areas.

Pang said the new center will enhance the nation’s deep-space exploration capability, as it is an ideal site for the launch of the Long March 5 rocket, China’s most powerful, which is being developed.

The Long March 5 can be transported to the center by sea, while the other launch centers are in inland areas, requiring transportation by rail.

Qi Faren, former chief designer of the Shenzhou spaceships, has said the Long March 5 will be launched from the new center in 2015.

Ye Peijian, chief designer of the lunar probe for China’s Chang’e Project, said Chang’e 5, the nation’s fifth lunar probe, will be launched at the center in 2017. It is expected to send a lunar rock sample back to Earth.

The People’s Liberation Army General Armaments Department, which is responsible for the launch center project, was not available for comment.

An unnamed Wenchang government official said he is not in a position to confirm completion of work on the center.

But he said it may increase tourism in Wenchang, the country’s fourth “space city”, as the launch center’s facilities include a space theme park where visitors will be given tram tours of the launch pads.

Liu Xiaoli in Haikou contributed to this story

[email protected]

 

Highlights
Hot Topics
...
主站蜘蛛池模板: 成人午夜性视频欧美成人 | 久碰香蕉精品视频在线观看 | 亚洲九九| www久久久 | 性xxxx免费观看视频 | 日韩免费视频观看 | 日韩在线第二页 | 国产高清精品一区 | 99免费| 欧美午夜影院 | 欧美日韩在线视频观看 | 91插视频 | 激情一区二区三区成人 | 成人一区二区在线观看视频 | 牛票票全部晒票 | 性夜影院爽黄a免费视频 | 天天爽夜夜爽 | 欧美激烈大尺度叫床的床戏 | 国产精品亚洲精品日韩已方 | 久久九| 一本一本久久α久久精品66 | 一区二区三区在线看 | 午夜精品 | 国产日韩精品一区 | 欧美一级一毛片 | 久久精品蜜芽亚洲国产a | 亚洲人成在线精品 | 欧美网站在线看 | 国产精品成人国产乱一区 | 国产亚洲精品久久久久久老妇 | 牛和人交videos欧美冫3d | a级在线观看免费 | 播播成人网| 丝袜捆绑调教视频免费区 | 欧美高清在线精品一区二区不卡 | 欧美精品成人一区二区三区四区 | 色婷婷亚洲| 欧美精品午夜 | 国产精品色 | 色撸网| 一区二区三区在线 |