Wednesday , April 14 2021

Insight first explores the interior of Mars, the first physical examination in 4.5 billion years – no worries

"Insight" detector

Scientists in a dark red shirt looked anxiously on the big screen and were looking forward to success.

Mak 400 meters, 300 meters, 200 meters, 80 meters from the ground # # When landing descends a A) u (indicating that the detector is still ğ alive, healthy ini), researchers at NASA Command Center cheer, embrace, I applaud people & I congratulate people in different ways I went down to Mars once again six years later. This human being has been focusing on the red planet for about 60 years and has been spotting it.

Command Center researchers celebrated "Insight" on Mars successfully

"Today, we have completed the eighth successful landing in Mars in human history. We will send astronauts to the Moon and then send astronauts to Mars." Insight "will provide valuable scientific information before going to Mars." NASA Director Jim Bridenstine said excitedly after a successful landing.

NASA, Tuesday, November 26 at 14:52:52 (Beijing time 3:52:59), "Insight," Mars reported that the successful investigation of Mars. On August 5, 2012, "Curious" Rover's successful landing on Mars, the man-made detectors once again landed successfully on the surface of Mars.

”We have a drum sound under the ground”; we have to study the interior of Mars. “

When it comes to the Mars search project in the United States, many people will have a design life of just 3 months in Mars, and will consider the Planet Mars, such as Opportunity and Curiosity, which has often emerged in recent years. I've stayed for 11 years, not only have productive results, but also created a world record for "accidents" in Mars – ran more than 40 kilometers and completed the Mars "marathon".

The United States launched the "Marine 4" Mars investigation in 1964 and continued the exploration of Mars for over 40 years and achieved numerous fixings. As the country with the most harvests from Mars, the United States is still on Mars.

Space expert Pang Zhihao, Yu News, Although we've been investigating Mars for the first time in years, we know very little about the internal structure of Mars. Previously, the total number of Mars studies conducted by humans was to study the global, superficial, atmospheric and magnetic fields of Mars. Tır Insights ”will first recognize the interior of Mars and will be equivalent to tar scanning the first physical examination in 4.5 billion years am in a CT scan.

"Insight" will perform the first human duty to detect Mars.

The old saying that uygulanabilir people do not know anyone anda can also be applied to the field of deep space exploration. A planet knows only its surface and its atmosphere, it only knows its surface and cannot understand its "inner heart." Yang Yuguang, deputy chief of the International Space Space Transportation Committee, said: "Send a few detectors to walk around the planet or on the ground. It is impossible to understand the inner structure of a certain performance. For example, 2015 red and purple Kepler 452b exol and still, he still does not know whether there is a rocky planet without mentioning the inner structure of the planet, even though it is large, so that we can determine the inner structure of the Planet to fully understand a planet. "

According to NASA's previously published information, taş Insight ve essentially undertakes two major scientific tasks: First, to determine the scale, frequency and geographic distribution of Mars's internal seismic activity, and to determine the current Mars geology by detecting the meteorite frequency affecting the Mars surface. . Tectonic activity level, second, Mars & # 39; s internal structure and activities by examining the formation and evolution of terrestrial planets. Press

According to the task, the researchers developed six research items: determining the size, composition and physical state of the Mars nucleus, determining the thickness and structure of the Mars shell, determining the structure and structure of the Mars mantle, determining the thermal state in Mars, measuring Mars' internal fire. The magnitude, velocity and geographic distribution of seismic activity, measurement of the meteorite impact ratio on the surface of Mars.

Bruce Bennett, director of the project "Insights", told Nature that despite the long history of exploration in Mars, there were some scratches on the surface of the planet. "For 35 years, we've got a" drum "from the ground. We have to study the interior of Mars," said Bruce Bennett.

Kom Deepening the understanding of the neighbors of the world “

"Insight" was launched successfully on May 5th this year. After the launch, 485 million miles, which lasted more than six months, flew. "Insight" is inextricably linked to the "Phoenix", which landed in Mars in 2008. Therefore, some media also refer to "Insight" as a "Phoenix" 2.0. "Insight" uses the Phoenix detector's platform, so "Insight" is very similar to the Phoenix detector, but is partially adjusted according to the task. "Insight" is about 5.5 meters long and about the size of a small car with a mass of 350 kilograms. There are also two circular solar panels that can be distributed, such as paper fans.

Steps to successfully land on Mars

The du old un Phoenix bulundu landed on the Arctic plains of Mars and gained many results on the Arctic plain's freezing, water and frozen lands. He also found that the soil contained water and that the soil had been warmed up after heating. More than 5% of the water, dew drops on the landing legs, found the characteristics of the water. Yong The Chinese Academy of Sciences is a National Astronomical Observatory and a planet expert, Zheng Yongchun, "he said.

According to previous reports from the US media, the location of the landing took four years. The final landing coordinates of the location were: 4.5 ° north latitude and 135.0 ° east longitude. Because the terrain is flat, there is no sunlight and there is plenty of sunlight to charge the solar panels. In addition, the landing area "Curious" is able to communicate with five Mars orbital probes that are 600 miles away from Mars and are currently operating. In order to meet the cushioning needs of the parachute during landing, the landing point must be 2.5 km below the Mars geoid, the slope of the terrain should be less than 15 °, the stone should not be too much, the weathered layer should be soft and suitable for land. And make a hole at a depth of 5 meters.

First photo returned by Insights

Y Since 1965, we have worked from orbit and surface to understand Mars, the atmosphere, the geology and the surface chemistry of Mars, için said Lori Glaze, Vice President of the NASA Science Mission Planet Division. ”Now, as NASA is preparing to send human researchers more deeply into the solar system, we will eventually discover the inner part of Mars and understand the neighbors of Earth“.

To deepen the understanding of the taşı neighbors üzere of the world, araştır Insight “will carry three different scientific charges, including the vehicle provided by two Europees designed to explore the deep core of the red planet. Seismograph equipment includes geothermal flow value detectors and "rotation and internal structural testing" detection equipment. Seismograph equipment and geothermal flow value detectors were developed by France and Germany respectively. In addition to the above three types of detection devices, it is equipped with two cameras that measure the Mars pressure, temperature and wind speed for noise correction of seismograph data. Of course, this data will also be useful for researching Mars air. materiel.

"Using seismographs to detect earthquake waves, some earthquakes in Mars are natural earthquakes, and some are earthquakes from Mars' internal activity. Some asteroids and meteors strike Mars to cause certain vibrations." Zheng Yongchun "The propagation of seismic waves will reflect the signal. According to the interpretation of the signal, the data of the internal structure and composition of Mars can be obtained. Is the shell, mantle and core divided by the earth? Where are the borders? The thickness of the shell.

In The earthquake is a very important tool for us to take part in the Earth, in Mars, and in the Moon. Mars Zheng Yongchun added.

The heat flow detector is primarily for measuring the temperature and degree of a particular depth of the Mars surface. By multiplying the temperature gradient and the thermal conductivity of the material, it is possible to calculate the heat flow inside the heat flow per unit area. Based on the combination of heat and seismic wave data, it is possible to estimate the release of heat in Mars. status.

According to the relevant data, the heat flow can be used to understand the release of the internal energy, the release of the energy is obtained by the decay of the internal radioactive elements, so that the internal temperature of the Mars is estimated. The initial state of Mars is understandable by a model as to how much radioactive element is present at the time and how much heat it contains in Mars, and the question is about the internal structure of internal thermal evolution and Mars. stratified.

Briefly, the seismometers are used to detect the stratification of the internal structure of Mars, while the heat flow meter is a thermal history of the interior of Mars.

Uluslararası Another example of international cooperation in deep space exploration “

The id Insight araştırma project is an international cooperation deep space research project. "This success represents the wisdom of the United States and our international partners and shows the determination and determination of our team," NASA Director Jim Briddenstein said. CNN reported that after the successful visit of "Insight", US Vice President Peng Si wanted the team to congratulate him.

In the "Insight" detector, the seismograph was developed by France and the heat flow detector was developed by Germany, and these two are the three most important instruments of the detector.

"Insight" in the test

Alar A successful landing on Mars laid the foundation for future exploration work. If the project is completed successfully, then. Insight alarında will be another example of international cooperation in deep-space research. “Pang Zhihao believes.

It is also worth noting that the ir Insights de mission will place two microsatellite in order to provide real time relay signals to the Earth during the landing phase. This is also the first time in the deep space mission to use the "Star Micro Satellite"

The two microsatellites used in the "Insight" mission are called "Mars Cube One" and will be launched with "Insights" and will be on a journey through Mars. When Mars came down to d insight ", they would fly Mars and forward the ı number of insights, landing data to the Earth relay satellite. According to NASA, un Mars Cube One ded is like the relay satellite of the Ins Insight, detector detector. This can greatly improve the signal transmission efficiency of the "Insight". If the experimental task is successful, the future micro satellite will be applied. Explore the interstellar missions of the solar system.

The "Mars Cube One" is just a pilot project, so communication relays cannot rely on "two brothers". Yang Yuguang, "Insight Number" as the relay mission, Mars Reconnaissance Orbiter, coming from the 2016 Insight Number & # 39; set up orbit to meet. & # 39; Insight Number & # 39; as & # 39; Insight Number & # 39; (Number in Your Place) can help to correct the orbit. Provide the correct landing trajectory and personally witness the & insight # of the Mars atmosphere and landing process, store and save the data, & # 39; insight number & # 39; When it reaches the surface of Mars, the discovery orchestra will serve as a relay communication task. "

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