Scientists share new photo of first-ever black hole to be photographed, swirling magnetic field revealed | Daily Current Affairs 2021
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Scientists share new photo of first-ever black hole to be photographed, swirling magnetic field revealed

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In one of the rarest space-related events in history, a black hole was captured in an image, alongside its shadow in April 2019.

The event came to regarded as a historic feat by an international network of radio telescopes which is called the Event Horizon Telescope (EHT).

The EHT is an international collaboration project to create a large telescope array that consists of a global network of radio telescopes and combines data from a number of very-long-base-interferometry.

Following the release of the black hole picture, the internet did its part in highlighting and appreciating the contribution of women in the project.

MIT graduate Katie Bouman was the star scientist behind the black hole image. She helped develop a computer program that helped in creating the image of the black hole. Bouman also headed a testing team that verified the image for the world to see.

Nearly two years after the release of the first photograph, scientists have shared new photos of the first-ever black hole.

The new and complete picture, released on Wednesday, shows the cosmic body in polarised light, reported CNN. It is located in the centre of a galaxy named Messier 87 ad is estimated to be around 55 million light-years away from Earth.

The polarised light used for the black hole, similar to the effects of polarised sunglasses, gives a clear and sharper image. It also reduces the glare from the light.

The new analysis gave astronomers the ability to map the magnetic field lines near the black hole’s inner edge. In addition, it was found that a significant amount of light is polarised.

Besides the magnetic fields, scientists also learned how the back hole could launch energetic gets of material that move almost at the speed of light.

“Polarized light tells us about magnetic fields near the black hole, how strong they are and how they connect the black hole’s accretion (eating habits) and the jet of plasma it’s able to eject out of the entire galaxy,” said Sara Issaoun, a doctoral student in astrophysics at Radboud University in the Netherlands.

More than 300 scientists around the world contributed to the research and The Astrophysical Journal carried multiple reports about the black hole on Wednesday.

Courtesy – Timesnownews

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