View all newsletters
Sign up to our newsletters

Support 110 years of independent journalism.

  1. Science & Tech
11 April 2019updated 01 Jul 2021 11:25am

The first images of a black hole are a moving reminder of our collective vulnerability

By Sanjana Varghese

For years, black holes have occupied a curious place, long straddling the line between science and science fiction. They’ve been proven time and time again by models and equations, originating in 1915 with Albert Einstein’s theory of general relativity – but we’ve never been able to actually see one. This all changed on Wednesday, when an international consortium of researchers showed the world the first ever image of a black hole, over 50 million light years away.

The picture shows what looks like a flaming orange and red ring with a black circle in the middle, surrounded by darkness on all sides.  This supermassive black hole sits at the centre of Messier 87, a galaxy 54 million light years away (and is one of the largest known galaxies in our universe), nested in the Virgo cluster. It has a mass 6.5 billion times that of the sun.

In a series of six papers published in the journal Astrophysical Journal Letters, the researchers detailed the process of producing these images (there were four images in total). They captured the black hole with the Event Horizons Telescope (EHT), which is a misnomer – in fact, it is eight telescopes, scattered across six continents (with contributions from over 200 scientists), forming a kind of franken-telescope that is virtually the size of the planet. Data was sifted through and stitched together using a technique called interferometry, over the course of two years, to create the images that we see today.

The picture of the black hole confirms Einstein’s theory of general relativity. He posited that time and space should be treated the same, a hypothesis that came with strange predictions, including the existence of black holes – an object so incredibly dense that space and time began to fold in on themselves. The gravitational pull of a black hole is so intense that nothing could ever escape it.

“You can understand why it’s so bizarre to say, there are these regions of our universes, where, once you cross them, you can never return,” says Dr Ziri Younsi, who works at the UCL Mullard Space Science Laboratory and was involved in the EHT imaging. “So, obviously, you have to ask, what does it look like?”

Generating an image of a black hole is a paradox.  A black hole is invisible by nature – it emits no matter that we can measure. So what we see in the image is actually its event horizon. The bright ring is not a physical ring – it’s light coming from matter orbiting the black hole, which is so extremely warped that light itself is bending. There are black holes at the centre of every galaxy – some which sing, some which whir along quietly – and now that we’ve created images of one, it’s possible that we can continue to image more black holes, and even other kinds of cosmic matter.

For scientists – and for the rest of us – its significance cannot be overstated. In a press conference in Washington, Shep Doeleman, the director of the EHT, said, “We are delighted to report to you today that we have seen what we thought was unseeable.” When the image itself was revealed, there were audible gasps from audiences at press conferences around the world.

The last time that we experienced, collectively, an image like this was in the late 1960s, when astronaut William Anders took the now iconic photo of Earth from the surface of the moon in Apollo 8. While that event arguably spurred on a wave of environmental action – driven by the emotional reaction to seeing the planet that we live on for the first time – this image is valuable, and moving, in a different way.

“Black holes… represent the ultimate death and destruction,” says Dr.Younsi. “But they’re also the heart of galaxies – they power everything in them.” Space has always played a particular role in the public imagination – at once omnipresent and also unknowable, images from the International Space Station, of the moon landing, even of Mars are often of interest to the general public.

In Annie Dillard’s seminal essay about her experience of watching a total eclipse, she writes that the experience of the eclipse was like coming into contact with the universe that we had read so much about and never before felt. “How could anything moving so fast not crash, not veer from its orbit, amok like a car out of control on a turn?” she asks.

Coming into contact with this black hole feels a little like that. Looking at an image of the black hole may fill you with a vague sense of unease and dread, reminding you of how little we really know of the universe that we live in (as is evident from social media, this feeling is fertile ground for memes).

For researchers hoping to further crack open the cosmos, this leaves the door open for all kinds of future discoveries, ones which might seem impossible now. “Our capability is limited by the size of the Earth,” adds Dr Younsi. “So yes, we might have to build telescopes which are bigger than it, or put instruments on other planets, but this is only the beginning.”

Content from our partners
Unlocking the potential of a national asset, St Pancras International
Time for Labour to turn the tide on children’s health
How can we deliver better rail journeys for customers?

Topics in this article :
Select and enter your email address Your weekly guide to the best writing on ideas, politics, books and culture every Saturday. The best way to sign up for The Saturday Read is via The New Statesman's quick and essential guide to the news and politics of the day. The best way to sign up for Morning Call is via Our Thursday ideas newsletter, delving into philosophy, criticism, and intellectual history. The best way to sign up for The Salvo is via Stay up to date with NS events, subscription offers & updates. Weekly analysis of the shift to a new economy from the New Statesman's Spotlight on Policy team. The best way to sign up for The Green Transition is via
  • Administration / Office
  • Arts and Culture
  • Board Member
  • Business / Corporate Services
  • Client / Customer Services
  • Communications
  • Construction, Works, Engineering
  • Education, Curriculum and Teaching
  • Environment, Conservation and NRM
  • Facility / Grounds Management and Maintenance
  • Finance Management
  • Health - Medical and Nursing Management
  • HR, Training and Organisational Development
  • Information and Communications Technology
  • Information Services, Statistics, Records, Archives
  • Infrastructure Management - Transport, Utilities
  • Legal Officers and Practitioners
  • Librarians and Library Management
  • Management
  • Marketing
  • OH&S, Risk Management
  • Operations Management
  • Planning, Policy, Strategy
  • Printing, Design, Publishing, Web
  • Projects, Programs and Advisors
  • Property, Assets and Fleet Management
  • Public Relations and Media
  • Purchasing and Procurement
  • Quality Management
  • Science and Technical Research and Development
  • Security and Law Enforcement
  • Service Delivery
  • Sport and Recreation
  • Travel, Accommodation, Tourism
  • Wellbeing, Community / Social Services
Visit our privacy Policy for more information about our services, how New Statesman Media Group may use, process and share your personal data, including information on your rights in respect of your personal data and how you can unsubscribe from future marketing communications.