![[화성사운드트랙] Martian wind sound recorded by Supercam: Dong-A Science](http://image.dongascience.com/Photo/2021/03/1616049059855.jpg "[화성사운드트랙] Martian wind sound recorded by Supercam: Dong-A Science")
The National Aeronautics and Space Administration’s (NASA) Mars probe, Perciviarence, began scientific research using a supercam (top left of Perciviarance) that was hung like a bridge. Provided by NASA
‘Just, just, just, just, just, just… ‘A bursting sound as if flint collided with each other resonated through the silence of the still Martian sky. The National Aeronautics and Space Administration (NASA) recorded the sound of an exploration rover,’Percivirance’, which is exploring Mars after landing in a crater with an example of Mars on the 18th of last month, and released it on the 11th.
Audio link The sound of rocks on the surface of Mars hit by a laser shot by US Exploration Rover Percivirence https://soundcloud.com/nasa/perseverance-mars-supercam-laser-impacts-on-rock-target
On the 2nd, Percivirence shot a green laser on the basalt rock’Mars’, which was 3.1m away on the 2nd, 30 times for 10 seconds. The microphone recorded the burning sound of the rock hit by the laser 3 times per second for 10 seconds. This is the first time that the sound of a laser experiment on another planet has been revealed.
The reason Percivirence fired a laser on the rock was to analyze the composition and characteristics of the rock. The’Super Cam’, which is attached to the head of Percivirance, has a sensor head weighing 5.6 kg equipped with a laser, a high-definition camera, and a recorder. It creates a vaporized rock cloud by firing a laser at a target up to 7m away. Analyzing this cloud with a camera and spectrometer can reveal its composition. Mars was found to have a similar composition to basalt, which is rich in magnesium and iron.
It is the Martian rock’Mars’ where Percivirence fired a laser. It is a rock that is large enough to reach 73cm in width. Provided by NASA
The sound of the rock is also an important element of analysis. This is because you can check the hardness of the rock. In fact, some of the sounds made by rocks sound a little louder than others. This is the point where the hardness is stronger. The microphone on the supercam was jointly developed by NASA’s Los Alamos National Laboratory and the French National Center for Space Research (CNES). Roger Vines, senior researcher at NASA’s Los Alamos National Laboratory Supercam, said, “When we dreamed of this instrument eight years ago, we were worried that we were too ambitious.”
Earlier, on the 22nd of last month, NASA confirmed and unveiled the first target area to be analyzed by Supercam. The largest rock is’Marz’ that shot a laser this time. Mars is an Indian Navajo word meaning’Mars’. Basalt rocks such as Mars are common on Mars. However, it is not yet clear whether the observed Mars was formed by volcanic activity on Mars, or whether it was a sedimentary rock that was swept down into a crater as an example of a river flowing on Mars.
A photo of the Mars rock formation’Yigo’ was also released. Yes, and the sparkling appearance is captured on the surface. Provided by NASA
NASA also took a picture of Maz and the rock’Yigo’ next to Maz and released it with a camera. The Super Cam camera has a high definition enough to distinguish sharp-shim-thick targets at a distance of 7m. The surface of Mars has clear uneven marks. In the Indian Navajo’s word for’diligence’, it was also confirmed that the rock surface sparkled as if metal was embedded in it.
The Navajo word attached to the name of the rock is in accordance with NASA’s strategy to give the Percipherance expedition a unique name. NASA designated the name of a national monument in the United States, a national park in Korea, by dividing the crater area into’quads’ with an area of 1.5 ㎢ as an example for Percivirence to explore. The quad, currently being explored, is named after the Canyon D. Shay National Monument in the Republic of Navajo, Arizona. NASA has decided to attach Navajo horses to the expeditions identified here, and has designated 50.
This is a magnified observation of Marz’s surface. The diameter of the circle shown in the photo is only 6cm. Provided by NASA
This time, the supercam microphone that recorded the sound sent by Percivirence is a different microphone from the microphone that recorded the sound of the wind that was released on the 23rd of last month. The microphone used for the first recording is built into the descent and landing camera system. The supercam microphone also captured and transmitted the sound of wind sent by Mars. NASA said it is analyzing the possibility of operating both microphones simultaneously to capture stereo sound on Mars.
Martian wind sound recorded by Supercam: https://soundcloud.com/nasa/perseverance-mars-supercam-sounds-of-mars