Scientists have discovered that the Earth orbits the Sun, and that the Sun slowly orbits our galaxy''s mysterious center.
Jusqu''a today, what lies at the center of the Milky Way has only been theorized and inducered by measuring its gravitational impact on surrounding space objects.
The first-ever photo of the giant black hole, Sagittarius A*, now uncovered by scientists from theEvent Horizon Telescope (EHT) team.
The first-ever image of Sagittarius A*
The historic announcement made today marks the first time the wider public sees an image of Sgr A*, and it is of "overwhelming evidence" that the object is indeed a black hole, according to EHT.
The new image "entails valuable insight into such giants'' abilities."
The EHT team announced the unveiling event just days ago. The organization gave birth to a famous black hole, showing the world a picture of the black hole M87*.
The new image, aside from finally showing an overwhelming evidence that Sgr A* exists, shows that the supermassive black hole at the Milky Way''s center is spinning. It also allowed the EHT scientists to determine its orientation, showing that it is facing Earth.
More than 300 international scientists, support personnel, and eight radio observatories across the globe worked together to achieve the groundbreaking result.They were published today in a special issue ofThe Astrophysical Journal Letters.
Sagittarius A*, our Milky Way black hole, has finally arrived. It''s the dawn of a fresh era of black hole physics. Credit: EHT Collaboration. #OurBlackHole #SgrABlackHole Link: https://t.co/Ax7ECRVg8A pic.twitter.com/LRWizSYOy9
During a press conference held by the Earth Science Observatory, Dr.Jose L.Gomez, a research scientist at the Instituteo de Astrofisica de Andalucia (CSIC), said imagingSgr A* was significantly more challenging than imaging M87*, which is more than a thousand times larger.
It''s "like attempting to get a clear picture of a running child at night," Gomez said.
The Event Horizon Team wants to "make films" of black holes.
Tens of millions of photographs taken by its worldwide network of radio telescopes were combined to produce the final image that has today been shared with the world.
Although Sgr A* is closer to Earth than M87*, the fact that it is significantly smaller means the gas surrounding the black hole rotates at a much greater speed, resulting in a blurrier image than the one of M87* seen in 2019. It''s worth pointing out that the EHT can see3 million times sharper than the human eye.
During the press announcement, the scientific community had only inferred the existence of the supermassive black hole by measuring its gravitational effect on surrounding objects. "We now want to go on and make movies [of black holes]," said J Anton Zensus, the director of the Max Planck Institute for Radio Astronomy.
This is a fascinating news story that will be updated regularly as more information is revealed. The Earth Science Observatory press conference may be seen live below.