Breathtaking images of Mars taken by Tianwen-1 released
Print Edition
THE China National Space Administration yesterday published high-resolution images of Mars captured by the country’s Tianwen-1 probe.
These images include two panchromatic images and one color image, said the CNSA.
The panchromatic images were taken by the high-resolution camera of Tianwen-1 at a distance of 330 to 350 kilometers above the surface of Mars, with a resolution of about 0.7 meters.
In the images, Martian landforms such as small craters, mountain ridges and dunes are clearly visible. It is estimated that the diameter of the largest impact crater in the images is around 620 meters.
The color image is of the red planet’s North Pole region taken by the medium-resolution camera, the CNSA said.
The high-resolution camera, medium-resolution camera, spectrometer and other scientific apparatus onboard the orbiter were switched on successively to collect data.
The medium-resolution camera is capable of both automatic exposure and remote-control exposure, enabling it to map remote-sensing images of the whole globe of Mars and to survey the planet’s topography.
China launched Tianwen-1 on July 23, 2020. The spacecraft, consisting of an orbiter, a lander and a rover, entered the parking orbit around Mars after performing an orbital maneuver on February 24.
Tianwen-1 probe has been conducting scientific surveys since February 26. It is traveling at a speed of 4.8km per second in the Mars orbit, and is expected to land on the red planet in May or June, a senior space expert said yesterday.
The probe is functioning normally and has sent home China’s first high-definition images of Mars, which contain a large quantity of scientific information, said Bao Weimin, director of the Committee of Science and Technology under the China Aerospace Science and Technology Corp.
The probe will survey the topography of the pre-selected landing area and conduct weather observation along the flight routes to avoid dust when landing on Mars, said Bao, who is also a member of the 13th National Committee of the Chinese People’s Political Consultative Conference, the country’s top political advisory body.
He was speaking to the media at the Great Hall of the People in Beijing during the annual CPPCC session.
Nearly 50 Mars missions have been launched globally, but approximately two-thirds have failed, said Bao, adding that although China’s Mars exploration began late, the probe is designed to be highly efficient and innovative, aiming to complete orbiting, landing and roving operations in one mission.
This year, China is expected to conduct more than 40 space launches, including a series of missions for the construction of China’s space station, Bao said.
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