Supermassive black holes were predicted by Einstein in 1915. Despite their huge size, they remain unseeable. In an unprecedented international effort, scientists are making them visible.
More than 300 researchers and 80 institutions, including the University of Pretoria have collaborated with the Event Horizon Telescope to bring us the first image of Sagittarius A. Learn more about what it took to do this in this infographic
Watch as this video sequence zooms into the black hole (Sgr A*) at the centre of our galaxy. Beginning with a broad view of the Milky Way, we dive into the dense clouds of gas and dust at our galactic centre. The stars here have been observed with ESO’s Very Large Telescope and ESO’s Very Large Telescope Interferometer for decades, the black hole’s immense gravitational pull distorting...
This is the first image of Sagittarius A* (or Sgr A* for short), the supermassive black hole at the centre of our galaxy. It’s the first direct visual evidence of the presence of this black hole. It was captured by the Event Horizon Telescope (EHT), an array which linked together eight existing radio observatories across the planet to form a single “Earth-sized” virtual telescope. The...
Innovation is the next step forward. The innovations highlighted in this edition show us that the knowledge we create today is a step forward to future.
Researchers found high levels of air pollution in areas of Mpumalanga and Gauteng. UP’s Rebecca Garland helped create an artificial intelligence tool to monitor and predict daily air pollution against national air quality standards.
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