Astronomers are about to make an important announcement about something in the Milky Way

(ORDO NEWS) — In two weeks, the European Southern Observatory (ESO) will provide the world with new information about our Milky Way.

It is not known exactly what will be announced, but from what we know about their latest efforts, there is cause for excitement: the results that will be presented come from the Event Horizon Telescope (EHT) project, which was responsible for creating the first in black hole imaging history in 2019.

For many years, the EHT project has been studying the heart of our home galaxy, the Milky Way, which most likely hosts a supermassive black hole known as Sagittarius A*.

Whatever they discover, they attach great importance to it.

With scientists holding simultaneous press conferences around the world, it’s likely that what they’re keeping secret is the next installment after 2019’s historic moment – the first discovery of a black hole.

On May 12, 2022 at 1500 CEST (1300 UTC, 0900 EST) there will be an online conference to highlight the results, followed by a YouTube event with six astronomers from around the world. Press releases will include “extensive supporting audiovisual material” (eek!).

If astronomers can get a direct image of Sgr A*’s event horizon, it will be a historic moment you don’t want to miss.

Black holes are extremely difficult to draw because they are literally invisible, absorbing all electromagnetic radiation. All we can hope to see is the event horizon; essentially the outline of a black hole, which is the place where light can no longer escape the black hole’s gravitational forces.

But Sgr A* is obscured by a cloud of dust and gas, making it particularly difficult to study.

If astronomers got an image of a black hole’s horizon, then it should look like a glowing doughnut. It’s a black hole’s accretion disk, a ring of gas and dust that emits extreme radiation as it falls into the abyss.

ESO’s press release promises something “revolutionary”, the same wording they used before announcing the first direct image of a black hole in 2019.

This black hole was at the center of the galaxy M87, and its mass is 6.5 billion times the mass of our Sun. Its event horizon has a radius of about 20 billion kilometers, which is very far away.

Experts compare taking a direct image of it to observing a 1-millimeter-sized object from a distance of 13,000 kilometers (8,000 miles).

Srg A* is much closer to us because it is located in the very center of our own galaxy. However, for a supermassive black hole, it is quite small – only 4.3 million times the size of the Sun. It can only be detected because it is relatively closer to Earth than M87*.


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