China releases Mars rover’s first photos, ends doubts about landing
China’s space agency released its first photographs from Mars four days after landing a spacecraft on red planet and said that the mission was going as planned.
The wait for the images — one in colour, one in black and white, as well as a pair of small video clips — released on Wednesday (Thursday AEST) had prompted speculation that something might have gone wrong with the landing on Saturday.
When China’s space agency issued a statement in response to those concerns Tuesday, urging patience, the response online was biting.
In this photo taken by China’s Zhurong Mars rover, the rover’s solar panels and antenna are deployed as the rover sits on its lander on the surface of Mars. Credit:AP
“Can’t you learn from NASA propaganda?” one user wrote beneath the statement, seeming to chide the agency with a comparison to NASA’s live broadcasts of its latest mission on Mars, which began in February.
After decades of exploring Mars, NASA has a flotilla of spacecraft in orbit around the planet to relay data from its rovers, Perseverance and Curiosity, that are driving on the surface. The Chinese possess no existing spacecraft infrastructure at Mars to take advantage of.
The Tianwen-1 mission consists of an orbiter, lander and rover that launched in July and arrived at Mars in February. But the orbit that put Tianwen-1 in position to release the lander and rover last week was not ideal for relaying large chunks of data, like images and videos, back to Earth.
China landed a spacecraft on Mars for the first time this week, a technically challenging feat more difficult than a moon landing.Credit:AP
On Monday, the orbiter fired its thrusters, and it now circles Mars once every eight hours instead of two days. That allows more frequent and faster communications with the rover, which has been named Zhurong, after a mythical Chinese god of fire.
The photographs were the first public evidence that China’s lander had successfully reached the surface.
The landing made China only the third nation to touch down safely on Mars, after the United States and, very briefly, the Soviet Union. It was the latest in a series of major milestones, including missions to the moon and the start of construction of a new orbiting space station, that have secured China’s status as a space power.
(China may also launch a second module for the space station this week.)
Since the landing craft reached the surface Saturday, the China National Space Administration had divulged little about the Mars mission’s progress. It said Wednesday that the components of the lander and the rover, including its solar panels, had “deployed in place normally.”
The black-and-white photograph shows the ramp that will guide the rover off the lander to the surface, casting a crisp shadow on the surface. (The horizon’s arc is an effect of the wide-angle lens.)
The other image, in colour, shows the rear of the rover and signs that the solar panels that will power the vehicle had unfolded successfully. In the background are the red rocks and soil of Utopia Planitia, the impact basin where NASA’s Viking 2 probe also landed in 1976.
The Chinese agency also released two brief videos of the lander departing the orbiter that carried the craft to Mars.
Zhurong is carrying a number of instruments to study the planet’s topography, geology and atmosphere. One goal is to understand the distribution of ice in the region, which, in theory, could someday help sustain visits by people. It is expected to drive off the lander in a few days.
The New York Times
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