Friends who are concerned about Mars exploration may have found that China's Mars probe "Tian Wen No.1", which set off one week earlier on July 23rd, will land in the utopia plain of Mars in April-May. This perseverance will land on Mars a week later, but three months earlier?
Perseverance and its landing site, Gezero crater.
In fact, the official Chinese name of "Perseverance" has been changed to "Perseverance", but the flower shop owner used it for a long time. If he didn't want to change it, he cried! It is the latest generation rover of NASA, weighing 1043kg. Compared with the rover Tian Wen 1, it is a big guy!
Perseverance is loaded with a large number of metal tubes for collecting, storing and protecting samples. It is expected to be collected by ESA probes that arrive in Mars in 2026 and brought back to Earth! The rock samples in the metal tube are probably collected from the surface of Mars, or they may be samples drilled under Mars! Because Perseverance still has nine rigs! More than knowledge, what a dazzling sight!
In addition, Perseverance also carries a large number of cameras, including navigation cameras, spectrometers, laser imaging and high-resolution cameras. Many devices will work together to complete the important mission of NASA in the new generation of rover!
In addition to these equipment, the most striking thing is that Perseverance also brought a 1.8kg Mars helicopter, which will be its first flight in the atmosphere of Mars. In the past, only during the "seven minutes of terror" in the landing phase could you enjoy Mars at low altitude. This time, you will fly slowly over Mars by helicopter!
About the Jezero crater
This is the famous alluvial plain on Mars, just like the Nile Delta! Obviously, this kind of terrain is formed by the alluvial of ancient rivers on Mars. In the false color, if you ignore the Yezelo crater, you will think that it is over the Okavango Delta in Africa!
The landing site of the Perseverance is also carefully selected. Before determining the landing site, the Mars Reconnaissance Orbiter launched by the United States on August 12, 2005 has drawn a detailed map of Mars for the landing site of "Tenacity" and selected several landing sites. After selecting the Yezelo crater, researchers from the US Geological Survey (USGS) made a landing map with a resolution of up to 25 cm.
Because there will be rich ancient Martian river sediments here, digging holes here will get rich ancient Martian sediments. If life was born on Mars billions of years ago, it would leave clues in the sediments! In addition, there is a news that everyone must know!
The location of the Jezero crater
On July 28th, a piece of news came out. Dr. Yuki Morono of Japan Marine Earth Science and Technology Bureau discovered this microorganism 1 100 million years ago. After a month of cultivation, Dr. Yuki Morono successfully awakened these microorganisms from 100 million years ago! And these microbes came from sediments 80 meters deep in the Pacific Ocean in 5700. According to the geological age, these sediments came from the Early Cretaceous!
If there are microorganisms in ancient sediments on Mars, what if they can be awakened? Will the plot of Alien Awakening be repeated? Don't even think about it. How can there be such a powerful creature
Why did Perseverance land on Mars three months earlier?
In fact, there are so many introductions above, and some reasons why Perseverance can land on Mars early are also explained! But more accurately, it is not the early landing of Perseverance, but all the work of Perseverance before landing has been completed by the Mars reconnaissance orbiter! It drew a detailed map for perseverance!
But when Tian Wen-1 arrived on Mars, it was a puzzled expression. Don't say that there is no high-resolution map, because the Mars reconnaissance orbiter will not go to the landing site of Tiangong-1 on the Utopia Plain. According to the current relationship between the two countries, even if there is NASA, I dare not give it. Otherwise, whoever typesets this matter will be labeled and this life will be over!
Therefore, the orbiter in Tian Wen-1' s circumnavigation tour is to plan the landing site for the lander, find out the surrounding terrain in detail and choose the accurate landing site while detecting various data of Mars!
This time will take about 2-3 months! Although Tian Wen-1 and Persistence arrived on Mars at almost the same time, that's why the landing time difference is so long!