Anyone in the mood for donuts?
—well, kind of. We can’t see a black hole with our naked eyes. So using the Event Horizon Telescope , the team was able to capture the bright silhouette of super-hot gas and plasma swirling around the black hole at the center of the Messier 87 galaxy.
Recently, however, scientists were able to use machine learning to give the old photos a small makeover.M87 supermassive black hole originally imaged by the EHT collaboration in 2019 ; and new image generated by the PRIMO algorithm using the same data set The new image shows more of the darkness of the black hole itself and shows a clearer outline of the bright, superheated gas that surrounds it—making it a slightly skinnier orange donut.
The model is trained on datasets of more than 30,000 simulated images of black holes collecting gas. This allowed PRIMO to essentially make very educated guesses as to what M87 actually looks like when seen more clearly.
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