1826SunspotsSamuel Heinrich Schwabe
The cyclic variation of the number of sunspots was first observed by Heinrich Schwabe between 1826 and 1843
Historical records for Germany in 1826, rendered directly from the World History Database and ordered by month, day and event.
The cyclic variation of the number of sunspots was first observed by Heinrich Schwabe between 1826 and 1843
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.