Stellar bow shocks are fascinating structures formed when massive stars, particularly runaway stars, move through the interstellar medium (ISM) at high velocities. These stars create bow-shaped ...

Abstract: We present a model for empirically reproducing line profiles of molecular hydrogen emission in bow shocks. The model takes into account bow velocity, dissociation limit, a cooling function, ...

While the analysis of data was underway, a bow shock event that occurred on December 17, 2017, caught researchers’ attention. A bow shock is a shockwave that forms when fast-moving solar wind ...

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Nobody knows how electrons gain the relativistic speed required for high-energy cosmic events. A new study provides a possible explanation.

Astrophysical bow shocks and other multiscale phenomena work like cosmic particle accelerators to launch electrons to near-light speeds.

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