thats 10.62 years.
Fossil records suggest that the Solar cycle has been stable for at least the last 290 million years. For example, the cycle length during the early Permian is estimated to be 10.62 years. https://en.wikipedia.org/wiki/Solar_cycle
- Forums
- Science & Medicine
- Solar - Terrestrial connection
Solar - Terrestrial connection, page-13
- There are more pages in this discussion • 26 more messages in this thread...
You’re viewing a single post only. To view the entire thread just sign in or Join Now (FREE)