China’s Zhurong Mars rover is soldiering on after completing its initial program to explore the red planet and search for frozen water that could provide clues as to whether it once supported life.
China’s National Space Administration said on its website Friday that Zhurong completed its 90-day program on Aug. 15 and was in excellent technical condition and fully charged.
It said it would continue to explore the area known as Utopia Planitia where it landed on May 14. Zhurong has been consistently sending back photos and data via the Tianwen-1 orbiter that crosses over it once a day.
After the United States, China is the second country to land and sustainably operate a spacecraft on Mars, where days are 40 minutes longer than on Earth.
At 1.85 meters (6 feet) in height, Zhurong is significantly smaller than the American Perseverance rover, which is exploring the planet with a tiny helicopter. NASA expects its rover to collect its first sample in July for return to Earth as early as 2031.
Concurrently, China is assembling its permanent space station, with three astronauts now aboard the Tianhe, or Heavenly Harmony, core that was put into orbit on April 29. Two of the astronauts completed their second space walk on Friday. All three are due to return to Earth in September and be replaced by a new crew.
China earlier launched two smaller experimental space stations. It has been excluded from the International Space Station largely at the insistence of the United States, which is wary of the Chinese space program’s secrecy and close military links. Congressional approval is also required for any cooperation between NASA and the CNSA.
China first put an astronaut into orbit in 2003, becoming just the third country to do so.
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China’s Mars rover soldiers on after completing program (2021, August 21)
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