https://phys.org/news/2020-04-sun-similar-stars.html
If this is accurate, then it raises the question of whether the Sun is inherently and always less active or whether it just happens to be quiet while human civilization has arisen.
https://phys.org/news/2020-04-sun-similar-stars.html
If this is accurate, then it raises the question of whether the Sun is inherently and always less active or whether it just happens to be quiet while human civilization has arisen.