Grain rotation is a well-known phenomenon for polycrystalline materials during deformation at high (homologous) temperatures 1,2,3,4,5,6,7,8. It is also common during annealing and recrystallization ...
Hubble Space Telescope images of interstellar object 3I/ATLAS show a changing jet structure, including a stable sunward jet and three rotating inner jets, raising questions about their origin ...
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