A supermassive black hole was caught twisting spacetime, offering the clearest real-world evidence yet for Einstein’s ...
An elusive effect first envisioned by Einstein has been observed by scientists, once again vindicating the famed physicist's ...
Toy gyroscopes can do all kinds of interesting tricks. The most mysterious one, precession, seems to defy gravity. By definition, precession refers to a change in the orientation of the rotational ...
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Einstein's right again! Scientists catch a feasting black hole dragging the very fabric of spacetime
Astronomers have observed a star wobbling in its orbit around a ravenous supermassive black hole that is ripping it apart and feasting on its stellar material. The observation is ...
With the expression “Blazars” scientists denote the most dramatic examples in the zoo of ac-tive galactic nuclei (AGN), accreting supermassive black holes in the centers of galaxies. They show up when ...
In the early 1600s, based on astronomical observations, Kepler established that the orbit described by a planet in the solar system is an ellipse, with the sun occupying one of its foci. Assuming that ...
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