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Groundbreaking Achievement: Astronomers Photograph Our Galaxy’s Black Hole


The Event Horizon Telescope (EHT) collaboration has revealed the first-ever picture of the shadow of a supermassive black gap on the middle of the Milky Way. 

What is the Event Horizon Telescope?

The EHT (Event Horizon Telescope) is a worldwide ultra-long baseline radio interferometer working at a wavelength of 1.3 millimeters. Thanks to the synchronization of the work of telescopes positioned on totally different continents utilizing atomic clocks and using supercomputers for information processing, astronomers achieved historic milestones for science.

Black holes in image – a historic achievement

In 2019, for the primary time in historical past, scientists obtained a picture of the shadow of a supermassive black gap on the middle of the lively elliptical galaxy M87, noticed its fluctuations, and measured the magnetic subject close to the opening.

The second supermassive black gap whose shadow was to be captured in a picture by the EHT was a black gap positioned within the middle of the Milky Way, at a distance of about 27 thousand light-years from the Sun and related to the Sagittarius A* radio supply.

Initially, scientists discovered concerning the existence of a compact object on the finish of the final century by monitoring the motion of stars close to a black gap, for which the Nobel Prize in Physics was awarded in 2020.

Later, because of the GRAVITY collaboration, astronomers obtained new proof that there’s a black gap with a mass of 4.29 million photo voltaic plenty on the middle of the Milky Way. For such a mass, the radius of the occasion horizon is about 6 million kilometers, which is about 15 instances the space from the Earth to the Moon.

For the primary time, we now have a picture of the shadow of the supermassive black gap within the Milky Way

On May 12, 2022, the EHT collaboration introduced that it had obtained the first-ever picture of the shadow of a supermassive black gap on the middle of the Milky Way.

This grew to become attainable because of the enlargement of the working wavelength vary and the inclusion of latest observatories within the EHT. Thus, astronomers have the ultimate proof of the existence of such a large compact object within the central zone of our galaxy.

One extra look into the picture of the black gap within the Milky Way. Credit: ESO

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Written by Vladislav Tchakarov

Hello, my identify is Vladislav and I’m glad to have you ever right here on Curiosmos. As a historical past scholar, I’ve a robust ardour for historical past and science, and the chance to analysis and write on this subject each day is a dream come true.



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