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ESO telescope sees star dance around supermassive black hole, proves Einstein right

Observations made with ESO's Very Large Telescope (VLT) have revealed for the first time that a star orbiting the supermassive black hole at the centre of the Milky Way moves just as predicted by Einstein's general theory of relativity. Its orbit is shaped like a rosette and not like an ellipse as predicted by Newton's theory of gravity. This long-sought-after result was made possible by increasingly precise measurements over nearly 30 years, which have enabled scientists to unlock the mysteries of the behemoth lurking at the heart of our galaxy.

With ESO's upcoming Extremely Large Telescope, it may would be able to see much fainter stars orbiting even closer to the supermassive black hole. This would mean astronomers would be able to measure the two quantities, spin and mass, that characterise Sagittarius A* and define space and time around it.



Physics is the laws of nature. More broadly, physics explores the phenomena that occur in nature to understand their rules. Insight-Physics publishes important advances in various branches in physics, focusing on the study of matter, energy, space, time, and in particular their respective properties and interrelationships with each other. 

Researchers, scholars, teachers and advanced students in the fields of Physics are expected to submit their papers! Submissions must contain a strong, novel contribution to the field of mechanics, and ideally should focus on current issues in the field involving theoretical, experimental or applied research.

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