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ScienceDaily: Space & Time News |
Artificial intelligence predicts which planetary systems will survive Posted: 13 Jul 2020 12:50 PM PDT An astrophysicist has found a new method for determining the long-term stability of planetary configurations that is up to 100,000 times faster than the previous approach. This breaks the computational bottleneck and enables sharper views of the orbital architectures of exoplanetary systems. |
Gigantic, red and full of spots Posted: 13 Jul 2020 09:55 AM PDT Starspots are more common among red giant stars than previously thought. Astronomers report that approximately eight percent of red giants exhibit such spots. Although red giants are generally regarded as slowly rotating stars, those with starspots are apparently an exception. The new publication offers a comprehensive analysis of the reasons for their short rotation periods. |
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