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Giant Metre-wave Radio Telescope in Maharashtra tracks landing of European Space Agency’s Spacecraft on Mars mission

It followed a trajectory that brought it to the point of entering the Martian atmosphere for a landing yesterday evening said by GMRT Dean Yashwant Gupta

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Telescope.Representational image. Pixabay
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Pune, October 20, 2016: In a major achievement, the Giant Metre-wave Radio Telescope (GMRT) at Khodad in Pune tracked the landing of a European Space Agency’s spacecraft on a Mars mission, an official said on Thursday.

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“On Wednesday evening from 7.04 p.m., the GMRT clearly detected and tracked the weak signal emanating from Schiaparelli EDM, all the way into the last phases of the descent of the module through the Martian atmosphere till 8.37 p.m.,” said GMRT Dean Yashwant Gupta.

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To monitor the health of Schiaparelli’s Entry and Descent Module (EDM) during this crucial phase, the US National Aeronautics and Space Administration had assigned the GMRT at Khodad, around 60 km from Pune, to act as a receiver station for this mission on behalf of the ExoMars Project, he added.

The EDM of the ExoMarch Project separated from the parent spacecraft, the Trace Gas Orbiter (TGO), on Octobr 16 after a six-month journey from Earth.

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It followed a trajectory that brought it to the point of entering the Martian atmosphere for a landing yesterday (October 19) evening, Gupta said.

“The six-minute journey through the (Martian) atmosphere is the most hazardous part of the project and many previous Mars lander missions have failed at this critical juncture,” Gupta explained. (IANS)

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Scientists Track Chinese Space Station as It Falls to Earth

Tiangong-1 was launched into orbit in 2011 as China’s first space lab

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Visitors sit besides a model of Chinese made Tiangong 1 space station at the 8th China International Aviation and Aerospace Exhibition, known as Airshow China 2010, in Zhuhai city, south China, Guangdong province. VOA
Visitors sit besides a model of Chinese made Tiangong 1 space station at the 8th China International Aviation and Aerospace Exhibition, known as Airshow China 2010, in Zhuhai city, south China, Guangdong province. VOA
  • Scientists track the Chinese Space Station
  • It will fall on Earth soon
  • Scientists are trying to locate the exact location where it will fall

Scientists are monitoring a defunct Chinese space station that is expected to fall to Earth around the end of the month, the largest manmade object to re-enter Earth’s atmosphere in a decade.

The head of the European Space Agency’s debris office, Holger Krag, says China’s Tiangong-1 space station will likely fall to Earth between March 30 and April 3.

Krag said it still not yet known where the space station will hit Earth, but said it would be extremely unlikely for anyone to be injured when it does.

The ISS currently has current six crew members on the orbital laboratory. Wikimedia Commons
The Chinese Space Station can fall on Earth anytime. Wikimedia Commons

Injury unlikely

“Our experience is that for such large objects typically between 20 and 40 percent of the original mass, of 8.5 tons, will survive re-entry and then could be found on the ground, theoretically,” he said.

“However, to be injured by one of these fragments is extremely unlikely. My estimate is that the probability to be injured by one of these fragments is similar to the probability of being hit by lightning twice in the same year,” Krag added.

Also Read: An Out-of-control Chinese Space Station is Falling Towards The Earth! Should we be Worrying About Tiangong-1?

He said the space station is expected to fall between the areas of 43 degrees south and 43 degrees north, and everything outside that zone is considered safe.

“Northern Europe including France, Germany, Austria and Switzerland are definitely on the safe side. Southern Europe, the southern part of North America, South Asia, Africa, Australia and also South America are still within the zone today,” he said.

Where will it hit?

Tiangong-1
Tiangong-1 was used for multiple manned and un-manned space missions before authorities lost control of the Chinese space station. Wikimedia ommons

Scientists say it is hard to predict where Tiangong-1 will hit Earth in part because of its low orbit and high velocity. They say the space station is travelling 17,400 mph and orbits Earth about every 90 minutes.

Tiangong-1 was launched into orbit in 2011 as China’s first space lab. It carried out orbit experiments in preparation for China’s plan to put a permanent space station into orbit by 2023. VOA