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    RADIO ROXI TIMELESS TUNES

World News

First samples ever collected from ‘far side’ of the moon make it back to earth | World News

today25/06/2024

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China’s lunar probe has returned to Earth, making the country the first to bring back samples from the moon’s far side.

The re-entry capsule of the Chang’e probe touched down in the northern Chinese region of Inner Mongolia at about 2pm Beijing time (7am UK time), carrying lunar soil collected earlier in June.

At the start of the month, the probe had successfully landed at the moon’s South Pole, in the Aitken Basin, a gigantic impact crater that always faces away from Earth.

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Chang’e-6’s mission was programmed to collect around 2kg of lunar material

Chinese scientists anticipate the returned samples will include 2.5-million-year-old volcanic rock and other material that they hope will answer questions about geographic differences on the moon’s two sides.

The moon’s near side – which always faces the Earth – is flatter and has fewer impact craters. The far side always faces outer space.

Why the same side of the moon always faces the Earth

Wherever people may be on Earth, they will always see the same side of the moon.

That is because the moon takes as long to rotate on its own axis as it does to complete its monthly orbit around our planet.

This phenomenon is known as synchronous tidal locking, whereby the moon started off spinning faster than it does now, but then slowed and ended up facing the Earth as it does now, according to NASA.

But it’s not just the moon which synchronises with Earth.

In fact, the phenomenon is quite common, with all the solar system’s large moons tidally locking with their planets. And in some cases, stars also do the same when they have binary pairs.

The samples will be transferred by air to Beijing, state media outlet CCTV reported, and analysed by both Chinese and foreign scientists.

Chinese President Xi Jinping said the mission’s completion was a “landmark achievement” in China’s quest to become a space and scientific powerhouse.

Read more:
Why the moon’s south pole is the chequered flag of space race 2.0
Moon to get its own time zone created by NASA

Missions to the moon’s far side are more difficult because a relay satellite is required to maintain communications.

This China National Space Administration (CNSA) handout image released by Xinhua News Agency, shows the lander-ascender combination of Chang'e-6 probe taken by a mini rover after it landed on the moon surface, Tuesday, June 4, 2024. China says a spacecraft carrying rock and soil samples from the far side of the moon has lifted off from the lunar surface to start its journey back to Earth. (CNSA/Xinhua via AP)
Image:
The Chang’e-6 on the lunar surface. Pic: China National Space Administration/AP


The probe left earth on 3 May to collect samples which are expected to answer “one of the most fundamental scientific questions in lunar science research,” Zongyu Yue, a geologist at the Chinese Academy of Sciences, said.

“What geologic activity is responsible for the differences between the two sides?”

China is catching up with US on space landings

Nicole Johnston

Asia correspondent

@nicole_reporter

For China the successful landing of its lunar mission back to earth is being touted as evidence of the country’s rising space and scientific supremacy.

Space is another area where geo-political rivalry between the US and China is heating up.

Both countries want to land an astronaut on the moon and walk on its surface. They are aiming to do it by 2030.

NASA was planning to carry out its mission in 2026.

But it has been beset by delays and China is catching up.

It wants to beat the US and build a permanent base on the south pole of the moon.

Scientists believe there is ice in the south pole region and access to water could enable the dream of a permanent station on the moon to become a reality.

China’s Xinhua News Agency previously said the Aitken Basin – an impact crater eight miles deep and 1,500 miles wide – is thought to have been created more than four billion years ago.

It is the oldest and largest such crater on the moon, so could provide significant information because the original impact may have ejected materials from deep below its surface.

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The mission comes amid a growing space rivalry among countries including China, India, Japan and the US.

Beijing aims to put a person on the moon by 2030, while US agency NASA hopes to achieve the feat again in September 2026.



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