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Stellar fountain of youth with turbulent formation history in the center of our galaxy
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Stellar fountain of youth with turbulent formation history in the center of our galaxy
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Star with shortest orbital period around black hole discovered
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On March 2, 2019, astronomers reported discovery of a dozen black holes gathered around Sagittarius A (Sgr A ), the supermassive monster in the center of the Milky Way Galaxy, supporting a decades-old prediction. After conducting a cosmic inventory to calculate and categorize stellar-remnant black holes, the astronomers from the University of California concluded that there are probably tens of millions of the enigmatic, dark objects in the Milky Way – far more than expected.
Star S2 orbiting Sagittarius A
Now, observations made with ESO’s Very Large Telescope (VLT) have revealed for the first time that a star, named S2, orbiting Sgr A (artist impression above) –at the very edge of where space-time breaks down. The star moves in an egg-shaped orbit just as predicted by Einstein’s general theory of relativity. Its orbit is not like an ellipse as predicted by Newton’s theory of gravity. This long-sought-after result was made possible by increasingly precise measure
»Supermassive Black Hole in Centre of Milky Way May Have Caused Changes in Other Stars, Study Finds
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Supermassive Black Hole in Centre of Milky Way May Have Caused Changes in Other Stars, Study Finds
Photo: Canva
Scientists believe that the creation of Fermi bubbles could have been the result of a period when many stars formed and exploded in our galaxy’s heart.
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A few stars in the Milky Way Galaxy have undergone a change in their colour due to a supermassive black hole right in the centre of the galaxy, reveals a recent research. Our galaxy is home to many stars and some of those include red giants which are luminous ones that are larger and cooler than expected.