Magna Concursos

US and Iranian men released in prisoner swap

The US and Iran have conducted a prisoner swap in a rare sign of co-operation between the two countries. The exchange involved a Chinese-American researcher convicted of spying in Iran and an Iranian scientist held by the US. Both deny wrongdoing.

Iran's foreign minister said he was glad as he announced the exchange. Hours later, US President Donald Trump tweeted: "Thank you to Iran on a very fair negotiation. See, we can make a deal together!"

Who were the prisoners?

Xiyue Wang was arrested in Iran in 2016 for "collaborating with foreign governments". Massoud Soleimani, a stem cell expert, was arrested at a Chicago airport last year. He was accused violating trade sanctions by trying to export biological material to Iran.

Iran and the US have had an increasingly strained relationship in recent years and share no diplomatic links. Both have thanked the Swiss government for its assistance as an intermediary facilitator.

What happened?

Mr Wang was flown in a Swiss government plane from Tehran to Zurich, and then to Ramstein Air Base in Germany, where he will undergo medical check-ups before heading home. Mr Soleimani was also flown to Zurich and then on to Iran.

Iranian Foreign Minister Mohammad Javad Zarif tweeted photos of himself with Mr Soleimani after his release. He was the first to announce the news, via a tweet. "Glad that Professor Massoud Soleimani and Mr Xiyue Wang will be joining their families shortly," he wrote.

Disponível em: https://www.bbc.com/news/world-middle-east-50698017. Acesso em: 7 dez. 2019. Adaptado.

NASA Spots Crash Site and Debris from India's Lost Moon Lander

Scientists and amateurs alike have spent months combing through images from NASA's Lunar Reconnaissance Orbiter looking for the remains of India's moon lander — and that search has paid off.

Yesterday (Dec. 2), the team that runs the Lunar Reconnaissance Orbiter Camera (LROC) instrument released images taken on Nov. 11 that show how the spacecraft has changed the surface of the moon. Imaging experts have spotted extensive evidence of the crash, including both debris from the craft and places where the collision seems to have stirred up the moon's regolith.

India's Chandrayaan-2 mission to the moon included a lander called Vikram, which was meant to gently land on the lunar surface near the south pole on Sept. 6. But near the end of the touchdown maneuver, Vikram went silent. India's space agency said it spotted the lander soon after, via the orbiter component of the mission, but the agency has not released those images, and NASA's long-standing Lunar Reconnaissance Orbiter hadn't had the same luck.

Now, that last part has changed. The NASA spacecraft's first pass over the impact site occurred on Sept. 17, and the LROC team published the resulting image later that month, even though they didn't think they had found any sign of the crash. But in that image, someone named Shanmuga Subramanian spotted one extraordinarily bright pixel and reached out to the LROC team, according to a NASA statement released yesterday.

Disponível em: https://www.livescience.com/india-moon-lander-crash-site-debris-photos.html Acesso em: 8 dez. 2019. Adaptado.

Considere as seguintes afirmativas:

I Lunar Reconnaissance Orbiter Camera has successfully found debris from India's Lost Moon Lander.

II. Vikram could gently land on the lunar surface near the south pole on Sept. 6.

III. Shanmuga Subramanian could see some details in a picture taken by NASA that no one had been able to spot before.

De acordo com o texto, são verdadeiras as afirmativas:

 

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