Supercomputer simulations identify stellar rotation as the mechanism driving chemical mixing in red giants, explaining long-observed surface composition changes during stellar evolution.
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Supercomputer reveals violent spin that stirs red giant star chemistry
A team led by astrophysicist Simon Blouin at the University of Victoria has used one of the world’s fastest supercomputers to ...
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‘Stellar rotation’: Supercomputers expose the hidden mixing engine inside red giants
Supercomputer simulations have helped astronomers solve a decades-old mystery about red giant stars. Researchers ...
Advances in supercomputing have made solving a long‐standing astronomical conundrum possible: How can we explain the changes in the chemical composition at the surface of red giant stars as they ...
Astronomers from the University of Helsinki have found that the rotational profile of a nearby star, V889 Herculis, differs considerably from that of the Sun. The observation provides insights into ...
The occultation of stellar active regions during the planetary transit[1] can lead to inaccurate estimates of the characteristics of these exoplanets, especially the spin-orbit tilt angle. This was ...
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