www射-国产免费一级-欧美福利-亚洲成人福利-成人一区在线观看-亚州成人

US EUROPE AFRICA ASIA 中文
Business / Technology

Mars probe model gives taste of future

By Wu Yiyao (China Daily) Updated: 2015-11-04 09:35

Mars probe model gives taste of future

Visitors take a look at a gold-colored model of China's Mars probe in Shanghai on Nov 3, 2015. [Photo/China Daily]

A one-third size model of China's Mars probe made its debut in Shanghai on Tuesday at the China International Industry Fair in a display of the country's latest technologies.

The gold-colored model of the planned smart probe had two main parts-a hexahedron for orbit, and a cone-shaped portion for landing-illustrating how the probe will be able to perform all necessary functions and rove the planet autonomously.

China Aerospace Science and Technology Corp, the developer of the probe, is "still working on completing the real probe", and the project is going smoothly", according to its printed information.

Chinese astronomers plan to launch the probe to the red planet in 2020. It will take 10 months to get there.

Experts said that ensuring communication between the Mars probe and controllers on Earth has always been challenging for scientists and developers alike. The distance between the two planets results in reduced signal strength, which means reduced quality and accuracy.

Niu Shengda, a satellite expert at the Shanghai Academy of Spaceflight Technology, said it takes many technologies to enable the probe to land safely on Mars, given the long travel time in space and communication distance.

"The signals can be really weak, delayed or disturbed during the process. The probe must be smart enough to control itself independently on many occasions, such as when braking to allow Mars' gravity to capture it in orbit, or when spreading its wings when landing," Niu said.

During its outbound journey, the probe will communicate at up to 400 million kilometers from the Earth. At that distance, 40 minutes is required for each side of a conversation. Communication, observation and control of the probe must be ensured at the farthest distance, experts said.

China will need a carrier rocket that travels accurately at a high enough speed to safely launch the probe.

In 2011, Russia launched a rocket carrying a Chinese-made Mars probe, but the mission failed because of an orbital transfer accident.

Undaunted, China's space exploration experts expressed confidence about China's ability to explore Mars.

The Long March 5 rocket, which could carry probes to near-Earth asteroids, and to Venus and Jupiter, is expected to be ready in 2016. It is an innovation that will greatly improve China's ability to explore space, Xinhua News Agency said.

Hot Topics

Editor's Picks
...
主站蜘蛛池模板: 成年女人免费又黄又爽视频 | 波多野结衣在线观看一区 | 91精品国产高清久久久久久io | 日韩美女爱爱 | 亚洲成a人片在线播放 | 黄色在线不卡 | 国产成人精品午夜在线播放 | 各种偷拍盗摄视频在线观看 | 亚洲视频欧美视频 | 国语自产拍天天在线 | 直接看的毛片 | 国产精品午夜波多野结衣性色 | 日韩国产精品99久久久久久 | 黑色丝袜美美女被躁视频 | 五月激激激综合网色播免费 | 国产成人yy精品1024在线 | 午夜dj视频完整社区 | a成人在线 | 欧美成人性做爰 | 草久在线视频 | 亚洲免费美女视频 | 久久香蕉国产线看免费 | 精品久久久久久影院免费 | 亚洲成在线观看 | 久久久久久91香蕉国产 | 亚洲精品午夜一区二区在线观看 | 亚洲精品一区国产二区 | 国产欧美一区二区精品性色 | 成年人免费软件 | 成人三级做爰在线观看男女 | 午夜一级片| 国产一区二区三区手机在线观看 | 亚洲欧美一区二区三区在线播放 | 99久久精品6在线播放 | 波多野结衣视频在线观看地址免费 | 免费一级欧美在线观看视频片 | 国产a级特黄的片子视频免费 | 久热国产在线视频 | 农村寡妇偷毛片一级 | 国产精品亚洲一区二区三区在线观看 | 成人欧美一区二区三区黑人免费 |