The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.
The Southern African Large Telescope (Salt) near Sutherland is celebrating 20 years of observing the night sky.
"In order to get such high sensitivity in the mid-infrared, one needs to go to space, as the atmosphere severely messes up ...
This makes it appear correspondingly smaller through a telescope—infinitesimally smaller, in fact, appearing as only a point ...
A technique called interferometry can greatly magnify tiny objects on the sky, and is powerful enough to reveal the surfaces ...
Rybicki, M. (2025) Black Hole as a Topological Hole in the Fabric of Spacetime. Journal of Modern Physics, 16, 1799-1817. doi ...
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