A possible new scenario for widespread solar energetic particle events
![](https://serpentine-h2020.eu/wp-content/uploads/2023/05/post-080523-768x499.png)
An exhaustive multi-spacecraft analysis of the 17 April 2021 event revealed that multiple distinct SEP injections at the Sun played a major role in creating the wide longitudinal spread of solar energetic particles (SEPs) in the inner heliosphere. This points…