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Researchers Identify Evolutionary Mechanism Beh... (2025-10-31)
Researchers propose a stellar evolution model explaining the Oosterhoff dichotomy in RR Lyrae stars. Combining theory and Gaia/LAMOST data, they show OoII stars are evolved horizontal branch (HB) s...
Research Reveals the Temporal Evolution of Gamm... (2025-10-17)
For the first time, evolving gamma-ray emission lines were detected in GRB 221009A. Researchers propose a down-Comptonization model, where line photons lose energy by scattering in a dense medium, ...
NVST Captures Detailed Physics of Chromospheric... (2025-10-17)
High-resolution NVST observations reveal the physical properties and transverse oscillations of chromospheric fibrils. These kink waves carry an energy flux insufficient for chromospheric heating, ...
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