Queenie Chan with a piece of the Winchcombe meteorite. Photo: Queenie Chan Royal Holloway University of London
Queenie Chan with a piece of the Winchcombe meteorite. Photo: Queenie Chan Royal Holloway University of London
Queenie Chan with a piece of the Winchcombe meteorite. Photo: Queenie Chan Royal Holloway University of London
Queenie Chan with a piece of the Winchcombe meteorite. Photo: Queenie Chan Royal Holloway University of London

Cracking the code of one of the world's rarest meteorites


Gillian Duncan
  • English
  • Arabic

The Wilcock family were relaxing at home when they heard a thud outside. A “bump in the night” is how they describe it.

They could not see anything in the dark at the time.

But the next morning they found it — a “kind of splatter”, which looked like coal had been dumped on their drive in Winchcombe, Gloucestershire.

Unbeknown to Rob, Cathryn and daughter Hannah, who were at home together that day, the pile of “soot” on the driveway was a meteorite.

But the Winchcombe meteorite, as it is now known, having been named after their village, turned out to be one of the rarest examples of its type yet discovered.

Having documented its arrival, the family quickly raised the alarm ― leading to years of research into the building blocks of life.

The fall

Meteorites had been predicted in the area and planned media coverage meant they began to suspect it could be linked to reports of a fireball over the UK that was predicted to land in the area.

Putting two and two together, the family were then able to send their images to scientists hoping for a stroke of luck.

The meteorite fell to Earth through clear skies on February 28, 2021, and lay out in the elements for only 12 hours before it was collected by CSI-style scientists who turned up to scour their garden with tweezers, looking for fragments. The total known mass of recovered fragments was 602g.

Hannah, Rob and Cathyrn Wilcock, who discovered the Winchcombe meteorite. Getty Images
Hannah, Rob and Cathyrn Wilcock, who discovered the Winchcombe meteorite. Getty Images

Among the scientists scrambled to analyse it was Queenie Chan, a lecturer in Earth Sciences at the Department of Earth Sciences at Royal Holloway, University of London.

She recently published some of her findings in the journal Meteoritics & Planetary Science.

“It was just about the same time when I was pregnant, so it was exciting,” Dr Chan told The National.

“I managed to complete the analysis before I went on maternity leave. This is part of the many reasons why we didn't publish the paper sooner ― writing with a newborn baby [her second child] around wasn't so easy.”

'We dropped everything'

Her team dropped everything to focus on the space rock at the time ― and for good reason.

“It was obvious early on that it was rare. It looked dark and crumbly, like a carbon-rich meteorite.”

Most meteorites are made from ordinary chondrite, the material that makes up much of the inner solar system, within the asteroid belt.

But analysis showed this was a carbonaceous type made from something farther away ― potentially giving scientists a glimpse into the birth of the universe.

The material in carbonaceous meteorites is more volatile, with more water potential and more organic material.

“This chondritic type of meteorite has not melted since they were formed,” Dr Chan said.

“So they retain the original composition, the signature, the texture, everything, at the birth of this meteorite.

“So this asteroid, when it was formed, was like that. So unlike planet Earth or Jupiter or any larger solar system bodies that have melted in the past.

“Any signature of the early solar system was lost during that planetary formation. But not so for the chondritic type of meteorite.”

To say it was exciting was an understatement.

Rarer than rare

Meteorites made of carbonaceous chondrite are already rare. And the specific type of this one, known as CM chondrite, is even more rare.

“And then CM chondrite associated with a fall event is even rarer,” said Dr Chan, 37.

Only a handful of “fall meteorites” occur each year.

“This is one of the most rare types of meteorite. One of the cleanest meteorites we could ever study,” she said.

“The skies were clear that night and there was no rain, which means less contamination.

“So we eliminate a lot of issues with some other meteorites that have been collected 10,000 years after they landed. They are called 'find meteorites'. Because you find them. You don’t know when they fell.”

Find meteorites are actually fairly common. A 7.8kg specimen the size of a cantaloupe was recently found in Antarctica, where most are discovered because they stand out against the white snow.

Researchers discover meteorite in Antarctica — in pictures

  • A team of researchers have discovered a rare meteorite in Antarctica that weighs 7.6kg. All photos: Maria Valdes
    A team of researchers have discovered a rare meteorite in Antarctica that weighs 7.6kg. All photos: Maria Valdes
  • Space rocks are often found in the parts of the icy continent but mostly ones that are very small. Only about 100 of the 45,000 meteorites retrieved from Antarctica over the past century have been large-sized
    Space rocks are often found in the parts of the icy continent but mostly ones that are very small. Only about 100 of the 45,000 meteorites retrieved from Antarctica over the past century have been large-sized
  • The team endured freezing temperatures of -10°C and spent days riding snowmobiles, trekking through ice fields and sleeping in tents.
    The team endured freezing temperatures of -10°C and spent days riding snowmobiles, trekking through ice fields and sleeping in tents.
  • It is estimated that 300,000 meteorites are scattered on the icy landscape covering 14 million square kilometres and are waiting to be found.
    It is estimated that 300,000 meteorites are scattered on the icy landscape covering 14 million square kilometres and are waiting to be found.
  • Nasa said scientists have been trying to find the rocks using the ‘meteorite stranding zones’ – areas where the local geology, flow of the ice and climate conditions have caused meteorites to accumulate at the surface.
    Nasa said scientists have been trying to find the rocks using the ‘meteorite stranding zones’ – areas where the local geology, flow of the ice and climate conditions have caused meteorites to accumulate at the surface.

Some estimates suggest there are 300,000 space rocks waiting to be collected there.

Scientists say studying meteorites is important, because they can provide clues about how life started on Earth.

“This meteorite arrived two years ago, but billions of years ago Earth was heavily bombarded by meteorite impacts or asteroid impacts,” Dr Chan said.

A fragment of the Winchcombe meteorite on display at the Natural History Museum in London. Getty Images
A fragment of the Winchcombe meteorite on display at the Natural History Museum in London. Getty Images

“The molecules that it provided the early Earth caused further chemical reaction to occur. So we then formed life here from these asteroids.”

They may be found in abundance in Antarctica, but far fewer are discovered in the UK.

The meteorite that fell in Winchcombe was the first found in the UK for more than 30 years — and the first carbonaceous chondrite meteorite in the country.

Queenie Chan flame at work in her laboratory. Photo: Queenie Chan / Royal Holloway University of London
Queenie Chan flame at work in her laboratory. Photo: Queenie Chan / Royal Holloway University of London

The team spent months cleaning their lab, making sure it was spotless and free of potential contaminants ahead of their analysis.

And by the summer they were ready to inspect it, crushing it down to analyse the meteorite, which is believed to have originated on the surface of an asteroid near Jupiter.

The research

They chose first to focus on amino acids, molecules that combine to form proteins that are one of the known building blocks of life.

The ones present in it needed water to form, which suggested the meteorite was probably formed during a liquid-rich phase.

“So 4.5 billion years ago there was liquid water on that asteroid to form amino acids,” Dr Chan said.

But there were fewer amino acids than expected — 10 times less than other meteorites of its type.

“It was very interesting. We gave a hypothesis to that, which is [the asteroid] contained liquid water but possibly it occurred in smaller episodes.

“It doesn’t occur for a long period of time.”

They do not yet know why.

The team plans to look at another type of organic compound next, known as polycyclic aromatic hydrocarbons — PAHs — one of the more abundant types of organic molecule found in meteorites.

“We will probably be studying this for at least five or six years. There are so many different types of organic molecules we can look at.”

The find also had a major effect on the Wilcocks, who have enjoyed becoming part of a science project. They even set up their own website documenting their discovery.

On it, Mrs Wilcock writes: “Collecting a shattered meteorite on your drive continues to be hard to believe, awe-inspiring, mind-blowing, whatever superlatives you choose to use — truly Out of this World.

“No words can really match the magnitude of a meteorite with stones from outer space that are 4.567 billions years old and from as far away as the asteroid belt between Jupiter and Mars. Bumps in the night don't come more extraterrestrial than that.”

If you go:
The flights: Etihad, Emirates, British Airways and Virgin all fly from the UAE to London from Dh2,700 return, including taxes
The tours: The Tour for Muggles usually runs several times a day, lasts about two-and-a-half hours and costs £14 (Dh67)
Harry Potter and the Cursed Child is on now at the Palace Theatre. Tickets need booking significantly in advance
Entrance to the Harry Potter exhibition at the House of MinaLima is free
The hotel: The grand, 1909-built Strand Palace Hotel is in a handy location near the Theatre District and several of the key Harry Potter filming and inspiration sites. The family rooms are spacious, with sofa beds that can accommodate children, and wooden shutters that keep out the light at night. Rooms cost from £170 (Dh808).

Polarised public

31% in UK say BBC is biased to left-wing views

19% in UK say BBC is biased to right-wing views

19% in UK say BBC is not biased at all

Source: YouGov

All Blacks line-up for third Test

J Barrett; I Dagg, A Lienert-Brown, N Laumape, J Savea; B Barrett, A Smith; J Moody, C Taylor, O Franks, B Retallick, S Whitelock, J Kaino, S Cane, K Read (capt).

Replacements: N Harris, W Crockett, C Faumuina, S Barrett, A Savea, TJ Perenara, A Cruden, M Fekitoa.

UAE v Zimbabwe A

Results
Match 1 – UAE won by 4 wickets
Match 2 – UAE won by 5 wickets
Match 3 – UAE won by 25 runs
Match 4 – UAE won by 77 runs

Fixture
Match 5, Saturday, 9.30am start, ICC Academy, Dubai

Mercer, the investment consulting arm of US services company Marsh & McLennan, expects its wealth division to at least double its assets under management (AUM) in the Middle East as wealth in the region continues to grow despite economic headwinds, a company official said.

Mercer Wealth, which globally has $160 billion in AUM, plans to boost its AUM in the region to $2-$3bn in the next 2-3 years from the present $1bn, said Yasir AbuShaban, a Dubai-based principal with Mercer Wealth.

Within the next two to three years, we are looking at reaching $2 to $3 billion as a conservative estimate and we do see an opportunity to do so,” said Mr AbuShaban.

Mercer does not directly make investments, but allocates clients’ money they have discretion to, to professional asset managers. They also provide advice to clients.

“We have buying power. We can negotiate on their (client’s) behalf with asset managers to provide them lower fees than they otherwise would have to get on their own,” he added.

Mercer Wealth’s clients include sovereign wealth funds, family offices, and insurance companies among others.

From its office in Dubai, Mercer also looks after Africa, India and Turkey, where they also see opportunity for growth.

Wealth creation in Middle East and Africa (MEA) grew 8.5 per cent to $8.1 trillion last year from $7.5tn in 2015, higher than last year’s global average of 6 per cent and the second-highest growth in a region after Asia-Pacific which grew 9.9 per cent, according to consultancy Boston Consulting Group (BCG). In the region, where wealth grew just 1.9 per cent in 2015 compared with 2014, a pickup in oil prices has helped in wealth generation.

BCG is forecasting MEA wealth will rise to $12tn by 2021, growing at an annual average of 8 per cent.

Drivers of wealth generation in the region will be split evenly between new wealth creation and growth of performance of existing assets, according to BCG.

Another general trend in the region is clients’ looking for a comprehensive approach to investing, according to Mr AbuShaban.

“Institutional investors or some of the families are seeing a slowdown in the available capital they have to invest and in that sense they are looking at optimizing the way they manage their portfolios and making sure they are not investing haphazardly and different parts of their investment are working together,” said Mr AbuShaban.

Some clients also have a higher appetite for risk, given the low interest-rate environment that does not provide enough yield for some institutional investors. These clients are keen to invest in illiquid assets, such as private equity and infrastructure.

“What we have seen is a desire for higher returns in what has been a low-return environment specifically in various fixed income or bonds,” he said.

“In this environment, we have seen a de facto increase in the risk that clients are taking in things like illiquid investments, private equity investments, infrastructure and private debt, those kind of investments were higher illiquidity results in incrementally higher returns.”

The Abu Dhabi Investment Authority, one of the largest sovereign wealth funds, said in its 2016 report that has gradually increased its exposure in direct private equity and private credit transactions, mainly in Asian markets and especially in China and India. The authority’s private equity department focused on structured equities owing to “their defensive characteristics.”

INDIA SQUAD

Rohit Sharma (captain), Shikhar Dhawan (vice-captain), KL Rahul, Suresh Raina, Manish Pandey, Dinesh Karthik (wicketkeeper), Deepak Hooda, Washington Sundar, Yuzvendra Chahal, Axar Patel, Vijay Shankar, Shardul Thakur, Jaydev Unadkat, Mohammad Siraj and Rishabh Pant (wicketkeeper)

Lexus LX700h specs

Engine: 3.4-litre twin-turbo V6 plus supplementary electric motor

Power: 464hp at 5,200rpm

Torque: 790Nm from 2,000-3,600rpm

Transmission: 10-speed auto

Fuel consumption: 11.7L/100km

On sale: Now

Price: From Dh590,000

Brief scoreline:

Manchester United 0

Manchester City 2

Bernardo Silva 54', Sane 66'

Other acts on the Jazz Garden bill

Sharrie Williams
The American singer is hugely respected in blues circles due to her passionate vocals and songwriting. Born and raised in Michigan, Williams began recording and touring as a teenage gospel singer. Her career took off with the blues band The Wiseguys. Such was the acclaim of their live shows that they toured throughout Europe and in Africa. As a solo artist, Williams has also collaborated with the likes of the late Dizzy Gillespie, Van Morrison and Mavis Staples.
Lin Rountree
An accomplished smooth jazz artist who blends his chilled approach with R‘n’B. Trained at the Duke Ellington School of the Arts in Washington, DC, Rountree formed his own band in 2004. He has also recorded with the likes of Kem, Dwele and Conya Doss. He comes to Dubai on the back of his new single Pass The Groove, from his forthcoming 2018 album Stronger Still, which may follow his five previous solo albums in cracking the top 10 of the US jazz charts.
Anita Williams
Dubai-based singer Anita Williams will open the night with a set of covers and swing, jazz and blues standards that made her an in-demand singer across the emirate. The Irish singer has been performing in Dubai since 2008 at venues such as MusicHall and Voda Bar. Her Jazz Garden appearance is career highlight as she will use the event to perform the original song Big Blue Eyes, the single from her debut solo album, due for release soon.

COMPANY PROFILE
Name: Akeed

Based: Muscat

Launch year: 2018

Number of employees: 40

Sector: Online food delivery

Funding: Raised $3.2m since inception 

Company%20Profile
%3Cp%3E%3Cstrong%3ECompany%3A%3C%2Fstrong%3E%20Astra%20Tech%3Cbr%3E%3Cstrong%3EStarted%3A%20%3C%2Fstrong%3EMarch%202022%3Cbr%3E%3Cstrong%3EBased%3A%20%3C%2Fstrong%3EDubai%3Cbr%3E%3Cstrong%3EFounder%3A%20%3C%2Fstrong%3EAbdallah%20Abu%20Sheikh%3Cbr%3E%3Cstrong%3EIndustry%3A%3C%2Fstrong%3E%20technology%20investment%20and%20development%3Cbr%3E%3Cstrong%3EFunding%20size%3A%3C%2Fstrong%3E%20%24500m%3C%2Fp%3E%0A

Christopher Robin
Starring: Ewan McGregor, Haley Atwell, Jim Cummings, Peter Capaldi
Three stars

APPLE IPAD MINI (A17 PRO)

Display: 21cm Liquid Retina Display, 2266 x 1488, 326ppi, 500 nits

Chip: Apple A17 Pro, 6-core CPU, 5-core GPU, 16-core Neural Engine

Storage: 128/256/512GB

Main camera: 12MP wide, f/1.8, digital zoom up to 5x, Smart HDR 4

Front camera: 12MP ultra-wide, f/2.4, Smart HDR 4, full-HD @ 25/30/60fps

Biometrics: Touch ID, Face ID

Colours: Blue, purple, space grey, starlight

In the box: iPad mini, USB-C cable, 20W USB-C power adapter

Price: From Dh2,099

SPEC%20SHEET%3A%20APPLE%20IPHONE%2015%20PRO%20MAX
%3Cp%3E%3Cstrong%3EDisplay%3A%3C%2Fstrong%3E%206.7%22%20Super%20Retina%20XDR%20OLED%2C%202796%20x%201290%2C%20460ppi%2C%20120Hz%2C%202000%20nits%20max%2C%20HDR%2C%20True%20Tone%2C%20P3%2C%20always-on%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EProcessor%3A%3C%2Fstrong%3E%20A17%20Pro%2C%206-core%20CPU%2C%206-core%20GPU%2C%2016-core%20Neural%20Engine%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EMemory%3A%3C%2Fstrong%3E%208GB%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3ECapacity%3A%3C%2Fstrong%3E%20256%2F512GB%20%2F%201TB%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EPlatform%3A%3C%2Fstrong%3E%20iOS%2017%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EMain%20camera%3A%3C%2Fstrong%3E%20Triple%3A%2048MP%20main%20(f%2F1.78)%20%2B%2012MP%20ultra-wide%20(f%2F2.2)%20%2B%2012MP%205x%20telephoto%20(f%2F2.8)%3B%205x%20optical%20zoom%20in%2C%202x%20optical%20zoom%20out%3B%2010x%20optical%20zoom%20range%2C%20digital%20zoom%20up%20to%2025x%3B%20Photonic%20Engine%2C%20Deep%20Fusion%2C%20Smart%20HDR%204%2C%20Portrait%20Lighting%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EMain%20camera%20video%3A%3C%2Fstrong%3E%204K%20%40%2024%2F25%2F30%2F60fps%2C%20full-HD%20%40%2025%2F30%2F60fps%2C%20HD%20%40%2030fps%2C%20slo-mo%20%40%20120%2F240fps%2C%20ProRes%20(4K)%20%40%2060fps%3B%20night%2C%20time%20lapse%2C%20cinematic%2C%20action%20modes%3B%20Dolby%20Vision%2C%204K%20HDR%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EFront%20camera%3A%3C%2Fstrong%3E%2012MP%20TrueDepth%20(f%2F1.9)%2C%20Photonic%20Engine%2C%20Deep%20Fusion%2C%20Smart%20HDR%204%2C%20Portrait%20Lighting%3B%20Animoji%2C%20Memoji%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EFront%20camera%20video%3A%3C%2Fstrong%3E%204K%20%40%2024%2F25%2F30%2F60fps%2C%20full-HD%20%40%2025%2F30%2F60fps%2C%20slo-mo%20%40%20120%2F240fps%2C%20ProRes%20(4K)%20%40%2030fps%3B%20night%2C%20time%20lapse%2C%20cinematic%2C%20action%20modes%3B%20Dolby%20Vision%2C%204K%20HDR%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EBattery%3A%3C%2Fstrong%3E%204441mAh%2C%20up%20to%2029h%20video%2C%2025h%20streaming%20video%2C%2095h%20audio%3B%20fast%20charge%20to%2050%25%20in%2030min%20(with%20at%20least%2020W%20adaptor)%3B%20MagSafe%2C%20Qi%20wireless%20charging%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EConnectivity%3A%3C%2Fstrong%3E%20Wi-Fi%2C%20Bluetooth%205.3%2C%20NFC%20(Apple%20Pay)%2C%20second-generation%20Ultra%20Wideband%20chip%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EBiometrics%3A%3C%2Fstrong%3E%20Face%20ID%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EI%2FO%3A%3C%2Fstrong%3E%20USB-C%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EDurability%3A%3C%2Fstrong%3E%20IP68%2C%20water-resistant%20up%20to%206m%20up%20to%2030min%3B%20dust%2Fsplash-resistant%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3ECards%3A%3C%2Fstrong%3E%20Dual%20eSIM%20%2F%20eSIM%20%2B%20eSIM%20(US%20models%20use%20eSIMs%20only)%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EColours%3A%3C%2Fstrong%3E%20Black%20titanium%2C%20blue%20titanium%2C%20natural%20titanium%2C%20white%20titanium%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EIn%20the%20box%3A%20%3C%2Fstrong%3EiPhone%2015%20Pro%20Max%2C%20USB-C-to-USB-C%20woven%20cable%2C%20one%20Apple%20sticker%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EPrice%3A%3C%2Fstrong%3E%20Dh5%2C099%20%2F%20Dh5%2C949%20%2F%20Dh6%2C799%3C%2Fp%3E%0A

Results:

First Test: New Zealand 30 British & Irish Lions 15

Second Test: New Zealand 21 British & Irish Lions 24

Third Test: New Zealand 15 British & Irish Lions 15

Tamkeen's offering
  • Option 1: 70% in year 1, 50% in year 2, 30% in year 3
  • Option 2: 50% across three years
  • Option 3: 30% across five years 
Updated: February 10, 2023, 6:00 PM