Technology
New Study Reveals Milky Way’s Supermassive Black Hole is Spinning Faster Than We Thought
courtesy of bgr.com
Scientists Discover Surprising Spin Speed
A new study published in the journal Monthly Notices of the Royal Astronomical Society has uncovered a fascinating revelation about the Milky Way's supermassive black hole, known as Sagittarius A* (Sgr A*). According to the researchers, Sgr A* is spinning at a speed close to its maximum limit, which is much faster than previously believed.
Understanding the Spin Speed of Black Holes
Our current model for understanding the rotational speed of black holes suggests that their spin speed is defined between values of 0 and 1, with 1 representing the maximum speed. The study found that Sgr A* is spinning between .84 and .96, nearing the upper limit of our current understanding.
The Science Behind Black Hole Spin
Unlike planets and stars, which have their spin speed determined by the mass distribution within them, black holes are judged based on their angular momentum. The extreme gravitational forces at work in black holes cause them to twist up the fabric of space-time when they spin, dragging anything near them along with it. This phenomenon, known as "frame dragging" or the "Lensing-Thirring effect," helps scientists understand how space behaves around black holes.
Unveiling the Mysteries of Black Holes
Frame dragging not only affects the space around black holes but also creates unique visual effects. Although black holes do not emit light, these effects can sometimes create shadows or light rings within the frame-dragging effect. The new study provides valuable insights into the spin of Sgr A* and how it is reshaping the space surrounding it.
Further Exploration Recommended
If you were captivated by the first images of Sgr A*, this new study is a must-read. Delve into the details and learn more about how the spin of the Milky Way's supermassive black hole is transforming the space around it.
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