A new image of the black hole in the M87 galaxy reveals the magnetic fields around it. Event Horizon Telescope
A new image of the black hole in the M87 galaxy reveals the magnetic fields around it. Event Horizon Telescope
A new image of the black hole in the M87 galaxy reveals the magnetic fields around it. Event Horizon Telescope
A new image of the black hole in the M87 galaxy reveals the magnetic fields around it. Event Horizon Telescope

New image of M87 galaxy's monster black hole reveals its magnetic field


Sarwat Nasir
  • English
  • Arabic

A new image of the first supermassive black hole to be pictured has revealed its swirling magnetic field.

Since capturing the first photo in 2019, scientists have been trying to get deeper insights on the black hole in the centre of the M87 galaxy, which is 55 million light years from Earth.

A global network of telescopes, called The Event Horizon Telescope (EHT), released the second photo on March 24.

This time, researchers captured the massive object in polarised light – helping to reveal magnetic fields on the edge of the black hole.

The observations could shed light on how the distant galaxy is able to launch energetic jets from its core.

"We are now seeing the next crucial piece of evidence to understand how magnetic fields behave around black holes, and how activity in this very compact region of space can drive powerful jets that extend far beyond the galaxy," said Monika Moscibrodzka, a researcher for EHT.

How was the image captured?

Showing the black hole in polarised light helped scientists to see intimate details around the object.

Similar to polarised sunglasses, the effect reduces glare and sharpens the image. The high resolution of the black hole image is equivalent to measuring the length of a credit card on the lunar surface.

Eight telescopes around the world were linked to capture the object.

"This work is a major milestone. The polarisation of light carries information that allows us to better understand the physics behind the image we saw in April 2019, which was not possible before," said Ivan Marti-Vidal, another researcher.

“Unveiling this new polarised-light image required years of work due to the complex techniques involved in obtaining and analysing the data.”

What is shown in the image?

Newer insights on the magnetic fields will help researchers to understand the mysterious energetic features of the black hole’s galaxy.

The image mapped magnetic fields in extreme gravity, which could show how it is connected to the powerful jets of energy and matter that are emitted from M87's core.

Energy from the jets extends 5,000 light years from its centre, but most of the matter close to the edge falls in.

Some of the surrounding particles escape moments before being captured and are blown far out into space in the form of jets.

“The polarimetric images suggest that the magnetic fields near the black hole could be strong enough to prevent matter from falling under the event horizon. The gas surrounding the black hole can be easily turned into a jetted outflow,” Ms Moscibrodzka said.

Stunning images from 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.

Dr Amal Khalid Alias revealed a recent case of a woman with daughters, who specifically wanted a boy.

A semen analysis of the father showed abnormal sperm so the couple required IVF.

Out of 21 eggs collected, six were unused leaving 15 suitable for IVF.

A specific procedure was used, called intracytoplasmic sperm injection where a single sperm cell is inserted into the egg.

On day three of the process, 14 embryos were biopsied for gender selection.

The next day, a pre-implantation genetic report revealed four normal male embryos, three female and seven abnormal samples.

Day five of the treatment saw two male embryos transferred to the patient.

The woman recorded a positive pregnancy test two weeks later. 

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