China says its Mars rover could land this weekend


Beijing’s Tianwen-1 Mars probe is expected to land on the red planet in the coming days, as early as Saturday morning (Friday night Eastern time), according to China’s space agency. The landing window extends until Wednesday.
The unmanned Tianwen-1, China’s first mission to Mars, launched in July 2020 on the 465-million-kilometer journey to reach the planet. The spacecraft entered the Martian orbit in February and sent back its first photo of the planet from more than a million kilometers away.
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The probe is “going to orbit, land and release a rover all on the very first try, and coordinate observations with an orbiter,” according to the scientific team behind Tianwen-1.

“No planetary missions have ever been implemented in this way,” the team said.
Tianwen-1 is one of three international Mars missions that launched last summer, along with NASA’s Perseverance rover, which landed on Mars in February, and the United Arab Emirates’ Hope Probe, which entered orbit around Mars, also in February. Unlike the US and China missions, the UAE probe is not intended to land on Mars — just study the planet from orbit.
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All three missions launched around the same time due to an alignment between Mars and the Earth on the same side of the sun, making for a more efficient journey to the red planet.

Tianwen-1, whose name means “Quest for Heavenly Truth,” hopes to gather important information about the Martian soil, geological structure, environment and atmosphere, and to search for signs of water.

China’s ambitious space program triggered headlines last weekend when an out-of-control 40,000-pound rocket plunged into the Indian Ocean — triggering a rebuke from NASA for failing to “meet responsibility standards regarding (its) space debris.”
The Long March 5B rocket had launched part of China’s new space station into orbit in late April and had been left to hurtle through space uncontrolled until Earth’s gravity pulled it back in.



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