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Stars and solar physics

Stars and solar physics

Astronomers observe a coronal mass ejection from a distant star

11 Dec 2025 Isabelle Dumé
An artist’s impression of a large red star releasing a bright, explosive burst of light. Swirling red and orange patterns surround the star, suggesting intense activity. In the background, a smaller blue planet appears with a faint, wispy trail extending away from it, indicating its atmosphere being blown off. The scene is set against a dark space backdrop dotted with stars.
Explosive: An artist’s impression of a coronal mass ejection from another star. (Courtesy: Olena Shmahalo/Callingham et al.)
The Sun regularly produces energetic outbursts of electromagnetic radiation called solar flares. Whe

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