«Our measurements of the bright spot suggest there are powerful shock waves in the star's atmosphere that reach higher temperatures than are predicted by current theoretical models for AGB stars,» says Theo Khouri, astronomer at Chalmers and member of the team. (sciencedaily.com)
When hit by a powerful shock wave, materials can change their shape — a property known as plasticity — yet keep their lattice - like atomic structure. (sciencedaily.com)
According to Melott, as the Milky Way plows through intergalactic material, a powerful shock wave forms ahead of it. (discovermagazine.com)