Nasa's James Webb Space Telescope will give astronomers a peek into the early universe. All photos: Nasa
Nasa's James Webb Space Telescope will give astronomers a peek into the early universe. All photos: Nasa
An artist's impression of the telescope in space. It will detect stars and galaxies 13.5 billion light years away, capturing light sources and studying formation of galaxies
An artist's impression of the telescope in space. It will detect stars and galaxies 13.5 billion light years away, capturing light sources and studying formation of galaxies
It is hoped the telescope will show us what the universe was like 100 to 250 million years after its birth
It is hoped the telescope will show us what the universe was like 100 to 250 million years after its birth
The James Webb Space Telescope has 18 primary mirrors that are built together in the shape of a honeycomb
The James Webb Space Telescope has 18 primary mirrors that are built together in the shape of a honeycomb
It is the world's most powerful telescope. Its mirrors are 100 times more powerful than its predecessor, the Hubble Space Telescope
It is the world's most powerful telescope. Its mirrors are 100 times more powerful than its predecessor, the Hubble Space Telescope
The $10 billion telescope is the size of school bus. It had to fold up to fit inside the launch rocket
The $10 billion telescope is the size of school bus. It had to fold up to fit inside the launch rocket
A European rocket, Ariane 5, launched the $10 billion ‘time travel machine’ from Europe's spaceport in Kourou, French Guiana
A European rocket, Ariane 5, launched the $10 billion ‘time travel machine’ from Europe's spaceport in Kourou, French Guiana

UAE

Science

Nasa’s time travel machine: five facts about the James Webb Space Telescope

World’s most powerful telescope has taken its first set of images

Sarwat Nasir
Sarwat Nasir

July 12, 2022

  • English
  • Arabic

A version of this article first appeared on April 7, 2021

An enormous space telescope has given astronomers a peek into the early cosmos, capturing light of galaxies that formed not long after the birth of the universe.

The James Webb Space Telescope (JWST), the world's most advanced space observatory, was in development for nearly two decades and is expected to create an astronomical revolution.

The $10 billion “time machine” will help astronomers to study what the universe looked like millions of years ago.

It is much more advanced than the Hubble Space Telescope because of its breakthrough technology, design and its planned location in space.

Hubble made countless discoveries after it was launched in 1990 and provided millions of images of planets, galaxies, nebulas and stars.

The JWST is equipped with sensitive cameras and spectrographs that can capture light directed into them by its huge golden mirror.

It has been developed by Nasa with its partners, the European Space Agency and the Canadian Space Agency.

The National looks at five facts that make the James Webb Space Telescope extra special.

1. It is ‘time travelling’ into the past

The telescope will show us what the universe was like 100 million to 250 million years after its birth. In the Big Bang theory, it is believed the universe came into existence 13.8 billion years ago.

The first image from the telescope, released on July 12, shows the galaxy cluster SMACS 0723, with light that has been travelling for more than 13 billion years.

Hubble has captured this area before, but observations by James Webb show the galaxy cluster in incredible detail.

Nasa has said it wants to look back even further, about 13.5 billion years in the past to make new discoveries.

JWST has 18 primary hexagonal mirrors that together form a honeycomb shape. Nasa
JWST has 18 primary hexagonal mirrors that together form a honeycomb shape. Nasa

The telescope will detect infrared light, allowing it to capture an object’s heat source.

The space observatory’s cameras are so sensitive they could spot the heat signature of a bumblebee.

2. Honeycomb mirrors

A telescope’s mirror helps reflect light into its cameras. The better the mirror, the more the observatory will capture.

JWST has 18 primary hexagonal mirrors that together form a honeycomb shape. In total, it measures 6.5 metres in diameter.

The mirror is six times bigger in area than Hubble’s and is 100 times more powerful.

To help reflect infrared light more efficiently, the mirror is covered with a thin coating of gold.

3. Unique orbit

JWST is placed much further out in space and in a different orbit than Hubble, allowing it to see greater distances.

The huge mirror on the James Webb Space Telescope has thin gold coating on it to help reflect infrared light into the cameras more efficiently. Nasa
The huge mirror on the James Webb Space Telescope has thin gold coating on it to help reflect infrared light into the cameras more efficiently. Nasa

Instead of an orbit around the Earth, the telescope orbits the Sun. It is in line with Earth, but 1.5 million kilometres from the planet and four times farther away than the Moon. This position in space is called a Lagrange point.

The mirror is kept at a temperature of minus 233°C to shield it from the Sun. It has a five-layer sunshield that is the size of a tennis court and which weakens the heat from the host star by more than a million times.

4. Hunt for life

One of the main objectives of the telescope is to study the atmospheres of exoplanets — planets outside the Solar System.

It will look for oxygen present in the atmospheres of planets in distant galaxies.

5. How it launched into space

The school bus-sized telescope, which measures 21 metres by 14.6 metres, had to fold up to fit into the launch rocket.

JWST launched aboard the Ariane 5 rocket, near French Guiana in South America, on Christmas Day, 2021.

The wonders of space — in pictures

Helix Nebula is a phase when a star like the Sun runs out of fuel, it expands and its outer layers puff off, and then the core of the star shrinks. All photos: Nasa
Helix Nebula is a phase when a star like the Sun runs out of fuel, it expands and its outer layers puff off, and then the core of the star shrinks. All photos: Nasa
This Cartwheel Galaxy resembles a bull's eye, which is appropriate because its appearance is partly due to a smaller galaxy that passed through the middle of this object.
This Cartwheel Galaxy resembles a bull's eye, which is appropriate because its appearance is partly due to a smaller galaxy that passed through the middle of this object.
On February 24, 1987, observers in the southern hemisphere saw a new object in a nearby galaxy called the Large Magellanic Cloud. This was one of the brightest supernova explosions in centuries and soon became known as Supernova 1987A.
On February 24, 1987, observers in the southern hemisphere saw a new object in a nearby galaxy called the Large Magellanic Cloud. This was one of the brightest supernova explosions in centuries and soon became known as Supernova 1987A.
Messier 82, or M82, is a galaxy that is oriented edge-on to Earth. This gives astronomers an interesting view of what happens as this galaxy undergoes bursts of star formations.
Messier 82, or M82, is a galaxy that is oriented edge-on to Earth. This gives astronomers an interesting view of what happens as this galaxy undergoes bursts of star formations.
Galaxy clusters are the largest objects in the universe held together by gravity. They contain enormous amounts of superheated gas, with temperatures of tens of millions of degrees, which glow brightly in X-rays and can be observed across millions of light years between galaxies.
Galaxy clusters are the largest objects in the universe held together by gravity. They contain enormous amounts of superheated gas, with temperatures of tens of millions of degrees, which glow brightly in X-rays and can be observed across millions of light years between galaxies.
What will be the next star in our Milky Way galaxy to explode as a supernova? Astronomers aren't certain, but one candidate is in Eta Carinae, a volatile system containing two massive stars that closely orbit each other.
What will be the next star in our Milky Way galaxy to explode as a supernova? Astronomers aren't certain, but one candidate is in Eta Carinae, a volatile system containing two massive stars that closely orbit each other.
The specs

Engine: 4-litre twin-turbo V8

Transmission: nine-speed

Power: 542bhp

Torque: 700Nm

Price: Dh848,000

On sale: now

While you're here
While you're here
The specs

Price, base / as tested Dh135,000

Engine 1.6L turbo

Gearbox Six speed automatic with manual and sports mode

Power 165hp @ 6,000rpm

Torque 240Nm @ 1,400rpm 0-100kph: 9.2 seconds

Top speed 420 kph (governed)

Fuel economy, combined 35.2L / 100km (est)

FA Cup fifth round draw

Sheffield Wednesday v Manchester City
Reading/Cardiff City v Sheffield United
Chelsea v Shrewsbury Town/Liverpool
West Bromwich Albion v Newcastle United/Oxford United
Leicester City v Coventry City/Birmingham City
Northampton Town/Derby County v Manchester United
Southampton/Tottenham Hotspur v Norwich City
Portsmouth v Arsenal 

The years Ramadan fell in May

1987

1954

1921

1888

The Lost Letters of William Woolf
Helen Cullen, Graydon House 

MOUNTAINHEAD REVIEW

Starring: Ramy Youssef, Steve Carell, Jason Schwartzman

Director: Jesse Armstrong

Rating: 3.5/5

While you're here

Essentials
The flights
Return flights from Dubai to Windhoek, with a combination of Emirates and Air Namibia, cost from US$790 (Dh2,902) via Johannesburg.
The trip
A 10-day self-drive in Namibia staying at a combination of the safari camps mentioned – Okonjima AfriCat, Little Kulala, Desert Rhino/Damaraland, Ongava – costs from $7,000 (Dh25,711) per person, including car hire (Toyota 4x4 or similar), but excluding international flights, with The Luxury Safari Company.
When to go
The cooler winter months, from June to September, are best, especially for game viewing. 

The%20specs%3A%20Taycan%20Turbo%20GT
%3Cp%3E%3Cstrong%3EEngine%3A%20%3C%2Fstrong%3EDual%20synchronous%20electric%20motors%0D%3Cbr%3E%3Cstrong%3EPower%3A%20%3C%2Fstrong%3E1%2C108hp%0D%3Cbr%3E%3Cstrong%3ETorque%3A%20%3C%2Fstrong%3E1%2C340Nm%0D%3Cbr%3E%3Cstrong%3ETransmission%3A%20%3C%2Fstrong%3ESingle-speed%20automatic%20(front%20axle)%3B%20two-speed%20transmission%20(rear%20axle)%0D%3Cbr%3E%3Cstrong%3ETouring%20range%3A%20%3C%2Fstrong%3E488-560km%0D%3Cbr%3E%3Cstrong%3EPrice%3A%20%3C%2Fstrong%3EFrom%20Dh928%2C400%0D%3Cbr%3E%3Cstrong%3EOn%20sale%3A%20%3C%2Fstrong%3EOrders%20open%3C%2Fp%3E%0A
BACK%20TO%20ALEXANDRIA
%3Cp%3E%3Cstrong%3EDirector%3A%20%3C%2Fstrong%3ETamer%20Ruggli%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EStarring%3A%20%3C%2Fstrong%3ENadine%20Labaki%2C%20Fanny%20Ardant%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3ERating%3A%20%3C%2Fstrong%3E3.5%2F5%3C%2Fp%3E%0A
SPEC%20SHEET
%3Cp%3E%3Cstrong%3EProcessor%3A%3C%2Fstrong%3E%20Apple%20M2%2C%208-core%20CPU%2C%20up%20to%2010-core%20CPU%2C%2016-core%20Neural%20Engine%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EDisplay%3A%3C%2Fstrong%3E%2013.6-inch%20Liquid%20Retina%2C%202560%20x%201664%2C%20224ppi%2C%20500%20nits%2C%20True%20Tone%2C%20wide%20colour%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EMemory%3A%3C%2Fstrong%3E%208%2F16%2F24GB%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EStorage%3A%3C%2Fstrong%3E%20256%2F512GB%20%2F%201%2F2TB%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EI%2FO%3A%3C%2Fstrong%3E%20Thunderbolt%203%20(2)%2C%203.5mm%20audio%2C%20Touch%20ID%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EConnectivity%3A%3C%2Fstrong%3E%20Wi-Fi%206%2C%20Bluetooth%205.0%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EBattery%3A%3C%2Fstrong%3E%2052.6Wh%20lithium-polymer%2C%20up%20to%2018%20hours%2C%20MagSafe%20charging%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3ECamera%3A%3C%2Fstrong%3E%201080p%20FaceTime%20HD%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EVideo%3A%3C%2Fstrong%3E%20Support%20for%20Apple%20ProRes%2C%20HDR%20with%20Dolby%20Vision%2C%20HDR10%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EAudio%3A%3C%2Fstrong%3E%204-speaker%20system%2C%20wide%20stereo%2C%20support%20for%20Dolby%20Atmos%2C%20Spatial%20Audio%20and%20dynamic%20head%20tracking%20(with%20AirPods)%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EColours%3A%3C%2Fstrong%3E%20Silver%2C%20space%20grey%2C%20starlight%2C%20midnight%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EIn%20the%20box%3A%3C%2Fstrong%3E%20MacBook%20Air%2C%2030W%20or%2035W%20dual-port%20power%20adapter%2C%20USB-C-to-MagSafe%20cable%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EPrice%3A%3C%2Fstrong%3E%20From%20Dh4%2C999%3C%2Fp%3E%0A
While you're here
The five pillars of Islam

1. Fasting

2. Prayer

3. Hajj

4. Shahada

5. Zakat 

While you're here
What%20is%20Dungeons%20%26%20Dragons%3F%20
%3Cp%3EDungeons%20%26amp%3B%20Dragons%20began%20as%20an%20interactive%20game%20which%20would%20be%20set%20up%20on%20a%20table%20in%201974.%20One%20player%20takes%20on%20the%20role%20of%20dungeon%20master%2C%20who%20directs%20the%20game%2C%20while%20the%20other%20players%20each%20portray%20a%20character%2C%20determining%20its%20species%2C%20occupation%20and%20moral%20and%20ethical%20outlook.%20They%20can%20choose%20the%20character%E2%80%99s%20abilities%2C%20such%20as%20strength%2C%20constitution%2C%20dexterity%2C%20intelligence%2C%20wisdom%20and%20charisma.%20In%20layman%E2%80%99s%20terms%2C%20the%20winner%20is%20the%20one%20who%20amasses%20the%20highest%20score.%3C%2Fp%3E%0A
While you're here
Company%C2%A0profile
%3Cp%3E%3Cstrong%3ECompany%20name%3A%20%3C%2Fstrong%3EHayvn%3Cbr%3E%3Cstrong%3EStarted%3A%20%3C%2Fstrong%3E2018%3Cbr%3E%3Cstrong%3EFounders%3A%20%3C%2Fstrong%3EChristopher%20Flinos%2C%20Ahmed%20Ismail%3Cbr%3E%3Cstrong%3EBased%3A%20%3C%2Fstrong%3EAbu%20Dhabi%2C%20UAE%3Cbr%3E%3Cstrong%3ESector%3A%20%3C%2Fstrong%3Efinancial%3Cbr%3E%3Cstrong%3EInitial%20investment%3A%20%3C%2Fstrong%3Eundisclosed%3Cbr%3E%3Cstrong%3ESize%3A%3C%2Fstrong%3E%2044%20employees%3Cbr%3E%3Cstrong%3EInvestment%20stage%3A%20%3C%2Fstrong%3Eseries%20B%20in%20the%20second%20half%20of%202023%3Cbr%3E%3Cstrong%3EInvestors%3A%20%3C%2Fstrong%3EHilbert%20Capital%2C%20Red%20Acre%20Ventures%3C%2Fp%3E%0A
UAE currency: the story behind the money in your pockets
COMPANY%20PROFILE
%3Cp%3E%3Cstrong%3EName%3A%20%3C%2Fstrong%3ESmartCrowd%0D%3Cbr%3E%3Cstrong%3EStarted%3A%20%3C%2Fstrong%3E2018%0D%3Cbr%3E%3Cstrong%3EFounder%3A%20%3C%2Fstrong%3ESiddiq%20Farid%20and%20Musfique%20Ahmed%0D%3Cbr%3E%3Cstrong%3EBased%3A%20%3C%2Fstrong%3EDubai%0D%3Cbr%3E%3Cstrong%3ESector%3A%20%3C%2Fstrong%3EFinTech%20%2F%20PropTech%0D%3Cbr%3E%3Cstrong%3EInitial%20investment%3A%20%3C%2Fstrong%3E%24650%2C000%0D%3Cbr%3E%3Cstrong%3ECurrent%20number%20of%20staff%3A%3C%2Fstrong%3E%2035%0D%3Cbr%3E%3Cstrong%3EInvestment%20stage%3A%20%3C%2Fstrong%3ESeries%20A%0D%3Cbr%3E%3Cstrong%3EInvestors%3A%20%3C%2Fstrong%3EVarious%20institutional%20investors%20and%20notable%20angel%20investors%20(500%20MENA%2C%20Shurooq%2C%20Mada%2C%20Seedstar%2C%20Tricap)%3C%2Fp%3E%0A
So what is Spicy Chickenjoy?

Just as McDonald’s has the Big Mac, Jollibee has Spicy Chickenjoy – a piece of fried chicken that’s crispy and spicy on the outside and comes with a side of spaghetti, all covered in tomato sauce and topped with sausage slices and ground beef. It sounds like a recipe that a child would come up with, but perhaps that’s the point – a flavourbomb combination of cheap comfort foods. Chickenjoy is Jollibee’s best-selling product in every country in which it has a presence.
 

Read
On Women's Day
You might also like
Company profile

Date started: December 24, 2018

Founders: Omer Gurel, chief executive and co-founder and Edebali Sener, co-founder and chief technology officer

Based: Dubai Media City

Number of employees: 42 (34 in Dubai and a tech team of eight in Ankara, Turkey)

Sector: ConsumerTech and FinTech

Cashflow: Almost $1 million a year

Funding: Series A funding of $2.5m with Series B plans for May 2020

More from Con Coughlin
Drishyam 2

Directed by: Jeethu Joseph

Starring: Mohanlal, Meena, Ansiba, Murali Gopy

Rating: 4 stars

Sole survivors
  • Cecelia Crocker was on board Northwest Airlines Flight 255 in 1987 when it crashed in Detroit, killing 154 people, including her parents and brother. The plane had hit a light pole on take off
  • George Lamson Jr, from Minnesota, was on a Galaxy Airlines flight that crashed in Reno in 1985, killing 68 people. His entire seat was launched out of the plane
  • Bahia Bakari, then 12, survived when a Yemenia Airways flight crashed near the Comoros in 2009, killing 152. She was found clinging to wreckage after floating in the ocean for 13 hours.
  • Jim Polehinke was the co-pilot and sole survivor of a 2006 Comair flight that crashed in Lexington, Kentucky, killing 49.
Singham Again

Director: Rohit Shetty

Stars: Ajay Devgn, Kareena Kapoor Khan, Ranveer Singh, Akshay Kumar, Tiger Shroff, Deepika Padukone

Rating: 3/5

ScienceSpaceUAE