Tree-rings reveal two strong solar proton events in 7176 and 5259 BCE
| Image |  |
|---|---|
| Description | scholarly article |
| Author/s | |
| Publication date | March 7, 2022 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |