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First image of black hole at the heart of our galaxy

Published

3 years ago

May 13, 2022

Astronomers from Event Horizon Telescope (EHT) Collaboration have unveiled an image of a supermassive black hole at the centre of our own Milky Way galaxy

Pictured for the very first time, the gargantuan black hole that lives at the centre of our galaxy provides valuable insight into the workings of such giants, which are thought to exist at the centre of most galaxies.

Scientists had previously seen stars orbiting around a massive, invisible, and compact object, resembling a black hole and this image provides the first direct visual evidence of it.

At an approximate distance of 27,000 light years from Earth, Sagittarius A* (Sgr A*, pronounced “sadge-ay-star”) appears to us to be the same size in the sky as a donut on the moon.

To image it, the global research team created the powerful EHT, which linked together eight existing radio observatories across the planet to form a single “Earth-sized” virtual telescope.

Although it is not possible to see the black hole itself, as it is completely dark, the glowing gas around it reveals a dark central region (called a “shadow”) surrounded by a bright ring-like structure.

The new view captures light bent by the powerful gravity of the black hole, which is four million times more massive than the Sun.

“We were stunned by how well the size of the ring agreed with predictions from Einstein’s Theory of General Relativity,” says EHT Project Scientist Geoffrey Bower from the Institute of Astronomy and Astrophysics, Academia Sinica, Taipei.

“These unprecedented observations have greatly improved our understanding of what happens at the very centre of our galaxy, and offer new insights on how these giant black holes interact with their surroundings.”

The EHT observed Sgr A* on multiple nights, collecting data for many hours in a row, similar to using a long exposure time on a camera.

The breakthrough follows the EHT 2019 collaboration’s release of the first image of a black hole called M87*, at the centre of the more distant Messier 87 galaxy.

Ticker News: Danaya Malenda contributed to this report.

News

Terror on Cambridge train as nine injured in knife attack

Nine injured in Cambridge train stabbing; two arrests made as authorities investigate possible terror motives.

Published

4 hours ago

November 3, 2025

Ahron Young

Nine injured in Cambridge train stabbing; two arrests made as authorities investigate possible terror motives.

Nine people have been seriously injured after a violent stabbing spree on a train near Cambridge. Witnesses described scenes of panic as passengers scrambled for safety during the shocking incident.

Two men have been arrested, as British Transport Police—assisted by counterterrorism units—investigate the motives behind the attack. Armed officers reportedly tackled one suspect armed with a large knife as emergency services flooded the scene.

The attack has left the community shaken and authorities on high alert, with questions swirling about whether this was an act of terror or a random rampage.

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Trump’s shock peace deal as Morocco and Algeria end fighting

Trump brokers historic peace between Morocco and Algeria; experts debate implications for Middle Eastern relations and global influence.

Published

4 hours ago

November 3, 2025

Ahron Young

Trump brokers historic peace between Morocco and Algeria; experts debate implications for Middle Eastern relations and global influence.

Donald Trump has once again stunned the world, this time brokering a historic peace agreement between Morocco and Algeria—with the backing of the United Nations. The move has many wondering whether the former U.S. president is reinventing himself as a global peacemaker.

Professor Tim Harcourt from UTS breaks down how Trump managed to secure the deal and what role the UN played in formalizing the agreement. Morocco’s vow to protect Jewish communities and strengthen ties with Israel adds another layer to this surprising diplomatic twist.

As Trump’s influence on global affairs grows, experts are debating whether this marks a genuine shift in Middle Eastern relations—or just a calculated political play on the global stage.
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Trump threatens Nigeria with U.S. military action over Christian killings

Trump pressures Nigeria on Islamist militants, warns of U.S. aid cuts as military action looms.

Published

5 hours ago

November 3, 2025

Ahron Young

Trump pressures Nigeria on Islamist militants, warns of U.S. aid cuts as military action looms.

Donald Trump is turning up the pressure on Nigeria, ordering the U.S. military to prepare for potential action against Islamist militants. The former president has accused the Nigerian government of failing to protect Christians from targeted attacks and warned that U.S. aid could be cut off.

Oz Sultan from Sultan Interactive Group joins Ticker to unpack Trump’s warnings, the potential military implications, and how Nigeria’s government has reacted. His fiery rhetoric has sparked debate over whether the situation constitutes a genocide or political grandstanding.

Observers are closely watching how this showdown could affect U.S.-Nigeria relations, with the world bracing for the next move in Trump’s bold new foreign policy push.

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