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China's first mission to Mars exploration mission will be implemented in 2020. One of China's black technology "nanogels" will be used as a thermally controlled material for the Martian vehicle

Pubdate: 2018-01-03 18:05:20
From: Joda Insulation Material Aerogel

China's first mission to Mars exploration mission will be implemented in 2020. One of China's black technology "nano aerogels" will be used as a thermally controlled material for the Martian vehicle

Today, Mars Exploration Engineering chief designer Zezhou Sun, consultant of Mars project and academician of Chinese Academy of Sciences, Peijian Ye, interviewed by China Science Daily, made a great revelation to China's first Mars exploration mission.

During the interview, Zezhou Sun told the China Science Daily reporter that the equipment of the Mars probe is one hundred percent domestically and the localization rate of the components is more than ninety percent. It can be said that, like the previous lunar exploration project, the Martian car is also made in China.

It is reported that the Mars car weighs about 200 kg, while the previous "Moon" is about more than 100 kg.

In order to overcome the bad environment of Mars and obtain more scientific information, Chinese scientists have created a number of "black science and technology" independently.

For example, the heat control material used by the Martian vehicle is the new thermal insulation "nanogel". Zezhou Sun pointed out that in normal operation or vacuum in the earth orbit satellite spacecraft, mostly use looks golden thermal control materials. However, because of the thin atmosphere on the surface of Mars, new thermal insulation must be used for this special space environment. "The nanogels are very light and have very good insulation." He said.

mission to Mars exploration mission

In addition, a variety of new materials, such as aluminum honeycomb sandwich materials, aluminum based silicon carbide and composite fiber materials, are also used in the Martian vehicle.

When the Martian car leaves the landing platform, it will detect the morphology, soil, environment and atmosphere of Mars, and study the water ice distribution, the physical field and the internal structure on Mars. "To this end, the Martian vehicle carried 13 sets of scientific loads." "The Mars remote sensing cameras with different resolutions, such as shallow radars for shallow Martian structure detection, are included," Zezhou Sun said.

Another step out of deep space exploration

At present, the key technology of Mars has been crush one by one has entered the engineering development stage. Peijian Ye said: "in the second half of 2020, the detector will be launched and will arrive on Mars until 100th anniversary of the party is built." The landing area has been preliminarily identified in the low latitude area of the northern latitude of Mars, that is, the northern hemisphere equator.

The Martian vehicle uses a "four - stage" mode of landing, including aerodynamic figure deceleration, parachute deceleration, and backstepping engine power deceleration and buffering.

Peijian Ye pointed out that the implementation of the Mars exploration mission will further promote China's deep space exploration. "At present, deep space exploration, represented by unmanned lunar exploration and Mars exploration, is developing in parallel." He pointed out. No one exploring the moon will launch the Chang'e five next year. In 2018, Chang'e four will land on the back of the moon. In the future, there will be chang e six and seven to go to the moon and the north pole and the North Pole. In his view, the implementation of these tasks not only improves our technology to reach the moon, but also promotes our utilization of resources on the moon, and prepares for manned lunar landing.

mission to Mars exploration mission

At the same time, the exploration of Mars and Jupiter will also be the focus of deep space exploration. "The understanding of other planets outside the earth needs people to accumulate for a long time." Peijian Ye expected, "China's first mission to Mars exploration can promote human understanding of space.

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