Kepler’s sun drawings are the oldest sunspot records with known dates.
Please follow and like us:
These 17th-century drawings of the sun by Kepler add fire to solar cycle mystery
Related Posts
Dodos were fast and powerful, not slow and inept, definitive preserved specimen suggests
A new study has cleared up misconceptions about the extinct dodo, identifying the reference specimen for the species and showing…
Long-term cognitive and psychiatric symptoms persist in COVID-19 patients even years after hospitalization
A recent study published in The Lancet Psychiatry indicates that many individuals who were hospitalized with COVID-19 continue to experience…
Longstanding physics mystery may soon be solved, thanks to Einstein and quantum computing
The nature of quantum entanglement remains an outstanding problem in physics. But Albert Einstein’s theories, along with insights from quantum…