China's Mars probe blasts off from Earth

Bejing plans to deploy a rover to explore the planet for 90 days

China successfully launched an unmanned probe to Mars on Thursday in its first independent mission to another planet.

China's largest carrier rocket, the Long March 5 Y-4, blasted off with the probe at 12:41pm. (8.41am GST) from Wenchang Space Launch Centre on the southern island of Hainan.

The probe is expected to reach Mars in February where it will attempt to deploy a rover to explore the planet for 90 days.

If successful, the Tianwen-1, or "Questions to Heaven", which is the name of a poem written two millennia ago, will make China the first country to orbit, land and deploy a rover in its inaugural mission.

There will be challenges ahead as the craft nears Mars, Liu Tongjie, spokesman for the mission said.

"When arriving in the vicinity of Mars, it is very critical to decelerate," he said. "If the deceleration process is not right, or if flight precision is not sufficient, the probe would not be captured by Mars."

Mr Liu said the probe would orbit Mars for about two and a half months and look for an opportunity to enter its atmosphere and make a soft landing.

"Entering, deceleration and landing is a very difficult [process]. We believe China's EDL process can still be successful, and the spacecraft can land safely," he said.

Eight spacecraft - American, European and Indian - are either orbiting Mars or on its surface with other missions under way or planned.

The UAE launched its Hope probe mission to Mars on Monday, an orbiter that will study the planet's atmosphere.

The United States has plans to send a probe in coming months that will deploy a rover called Perseverance, the biggest, heaviest, most advanced vehicle sent to the Red Planet by Nasa.

China's probe will carry several scientific instruments to observe the planet's atmosphere and surface, searching for signs of water and ice.

China previously made a Mars bid in 2011 with Russia, but the Russian spacecraft carrying the probe failed to exit the Earth's orbit and disintegrated over the Pacific Ocean.

A fourth planned launch for Mars, the EU-Russian ExoMars, was postponed for two years due to the coronavirus pandemic and technical issues.

Updated: July 23, 2020 01:46 PM


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