China begins surveying Mars from above

 

China, which this year became the only country to orbit, land and move around a rover on another planet in a maiden attempt, has begun surveying Mars. The mission began with Tianwen-1 changing its orbit to launch global remote sensing exploration of the Red Planet.

The orbiter has been circling the planet thrice every Martian day or Sol while relaying communication between Earth and the Zhurong rover on the ground. In a bid to begin a remote sensing mission, engineers revved up the speed of the orbiter by 78 meters per second shifting the orbit time around the planet. The orbiter that was initially used to complete one orbit in eight hours and 12 minutes, can now circle the planet in seven hours and five minutes, coming as close as 265 km to the planet.

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