Next steps for Hope probe’s mission to Mars


Sarwat Nasir
  • English
  • Arabic

The Emirates Mars Mission is moving into its next phase, gathering data that will help scientists to study the atmosphere and weather of the Red Planet.

The Hope probe, which started orbiting Mars on February 9, activated its instruments on April 10, and has already sent back thousands of images.

Now, the orbiter will spend two years collecting extensive data on gases, including hydrogen, oxygen and carbon monoxide, that surround the planet.

The data will help scientists to understand why and how Mars, which may have once supported ancient life, lost most of its atmosphere.

“Following a successful cruise to Mars, a near-perfect Mars orbit insertion manoeuvre and our transition from Hope’s capture orbit to our science orbit, we have completed our commissioning, calibration and testing phase,” said the project’s director, Omran Sharaf.

“I am delighted to be able to report that the Mars Hope probe is perfectly positioned to commence its two-year science mission.”

Recent images taken by the ultraviolet spectrometer, one of Hope’s instruments, shows sunlight reflecting off an extended cloud of atomic hydrogen gas that surrounds the planet.

Hope was able to capture the phenomenon because its unique 25-degree elliptical orbit allows it to study the planet at different times of the day.

The ultraviolet spectrometer has sent 14,000 spectral-spatial images of the atmosphere.

Sarah Al Amiri, Minister of State for Advanced Technology and Chairwoman of the UAE Space Agency, said it was capable of collecting "a lot of new data".

“The atomic hydrogen is formed by sunlight splitting water in the lower atmosphere, then diffuses to the upper atmosphere and escapes to space,” she said.

“The hydrogen is thickest close to Mars, circling the planet with a bright ring of light, and becomes thinner and dimmer further away.”

The spacecraft’s other instruments include an infrared spectrometer and the eXploration imager, a high-resolution camera.

The infrared spectrometer has been collecting data since the spacecraft’s arrival at Mars.

It will measure surface and atmospheric temperatures and gather data on ice, dust and water vapour.

A newly released image taken by the instrument shows the temperature of the planet.

"This Emirs [infrared spectrometer] image acquired on March 5 from an altitude of about 15,000km showcases the temperature in the same region at different altitudes," Ms Al Amiri said.

This image was taken by the infrared spectrometer, another instrument on the Hope probe, from an altitude of about 15,000 kilometres. The image shows the surface temperature, left, centred on the Tharsis region of Mars. Dawn can be seen to the right. An elevated night-time atmospheric temperature at an altitude of 25km, right, is also observed over the Tharsis region. Emirates Mars Mission
This image was taken by the infrared spectrometer, another instrument on the Hope probe, from an altitude of about 15,000 kilometres. The image shows the surface temperature, left, centred on the Tharsis region of Mars. Dawn can be seen to the right. An elevated night-time atmospheric temperature at an altitude of 25km, right, is also observed over the Tharsis region. Emirates Mars Mission

“In the surface temperature image, centred on the Tharsis region of Mars, dawn can be seen towards the right side.

“The low surface temperatures observed are due to the dusty nature of the Martian surface.

“An elevated night-time atmospheric temperature at 25km altitude is also observed over the Tharsis region.”

The eXploration imager has taken more than 500 images of the planet since the transition to science orbit took place in early April.

The imager is now mapping water ice clouds in the atmosphere as Mars enters its cloudy season.

A belt of clouds forms near the planet’s equator in the northern hemisphere during spring and summer, and the Hope probe will be able to measure it.

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UK’s AI plan
  • AI ambassadors such as MIT economist Simon Johnson, Monzo cofounder Tom Blomfield and Google DeepMind’s Raia Hadsell
  • £10bn AI growth zone in South Wales to create 5,000 jobs
  • £100m of government support for startups building AI hardware products
  • £250m to train new AI models
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Why it pays to compare

A comparison of sending Dh20,000 from the UAE using two different routes at the same time - the first direct from a UAE bank to a bank in Germany, and the second from the same UAE bank via an online platform to Germany - found key differences in cost and speed. The transfers were both initiated on January 30.

Route 1: bank transfer

The UAE bank charged Dh152.25 for the Dh20,000 transfer. On top of that, their exchange rate margin added a difference of around Dh415, compared with the mid-market rate.

Total cost: Dh567.25 - around 2.9 per cent of the total amount

Total received: €4,670.30 

Route 2: online platform

The UAE bank’s charge for sending Dh20,000 to a UK dirham-denominated account was Dh2.10. The exchange rate margin cost was Dh60, plus a Dh12 fee.

Total cost: Dh74.10, around 0.4 per cent of the transaction

Total received: €4,756

The UAE bank transfer was far quicker – around two to three working days, while the online platform took around four to five days, but was considerably cheaper. In the online platform transfer, the funds were also exposed to currency risk during the period it took for them to arrive.

In numbers: China in Dubai

The number of Chinese people living in Dubai: An estimated 200,000

Number of Chinese people in International City: Almost 50,000

Daily visitors to Dragon Mart in 2018/19: 120,000

Daily visitors to Dragon Mart in 2010: 20,000

Percentage increase in visitors in eight years: 500 per cent

What is blockchain?

Blockchain is a form of distributed ledger technology, a digital system in which data is recorded across multiple places at the same time. Unlike traditional databases, DLTs have no central administrator or centralised data storage. They are transparent because the data is visible and, because they are automatically replicated and impossible to be tampered with, they are secure.

The main difference between blockchain and other forms of DLT is the way data is stored as ‘blocks’ – new transactions are added to the existing ‘chain’ of past transactions, hence the name ‘blockchain’. It is impossible to delete or modify information on the chain due to the replication of blocks across various locations.

Blockchain is mostly associated with cryptocurrency Bitcoin. Due to the inability to tamper with transactions, advocates say this makes the currency more secure and safer than traditional systems. It is maintained by a network of people referred to as ‘miners’, who receive rewards for solving complex mathematical equations that enable transactions to go through.

However, one of the major problems that has come to light has been the presence of illicit material buried in the Bitcoin blockchain, linking it to the dark web.

Other blockchain platforms can offer things like smart contracts, which are automatically implemented when specific conditions from all interested parties are reached, cutting the time involved and the risk of mistakes. Another use could be storing medical records, as patients can be confident their information cannot be changed. The technology can also be used in supply chains, voting and has the potential to used for storing property records.

Favourite things

Luxury: Enjoys window shopping for high-end bags and jewellery

Discount: She works in luxury retail, but is careful about spending, waits for sales, festivals and only buys on discount

University: The only person in her family to go to college, Jiang secured a bachelor’s degree in business management in China

Masters: Studying part-time for a master’s degree in international business marketing in Dubai

Vacation: Heads back home to see family in China

Community work: Member of the Chinese Business Women’s Association of the UAE to encourage other women entrepreneurs

The Voice of Hind Rajab

Starring: Saja Kilani, Clara Khoury, Motaz Malhees

Director: Kaouther Ben Hania

Rating: 4/5

Politics in the West
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Friday (UAE kick-off times)

Sassuolo v Bologna (11.45pm)

Saturday

Brescia v Torino (6pm)

Inter Milan v Verona (9pm)

Napoli v Genoa (11.45pm)

Sunday

Cagliari v Verona (3.30pm)

Udinese v SPAL (6pm)

Sampdoria v Atalanta (6pm)

Lazio v Lecce (6pm)

Parma v Roma (9pm)

Juventus v Milan (11.45pm)

 

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