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About: Gustav Spörer     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatEthnicGermanPeople, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingpersonyago:WikicatAstronomersyago:WikicatPeopleFromBerlinyago:Astronomer109818343yago:CausalAgent100007347yago:LivingThing100004258yago:Object100002684yago:Organism100004475yago:Person100007846yago:PhysicalEntity100001930yago:Physicist110428004yago:WikicatGermanAstronomersyago:YagoLegalActoryago:YagoLegalActorGeoyago:Scientist110560637yago:Whole100003553yago:Wikicat19th-centuryAstronomersyago:Wikicat19th-centuryGermanPeopleyago:WikicatEthnicGermanPeople New Facet based on Instances of this Class

Friederich Wilhelm Gustav Spörer (23 October 1822 – 7 July 1895) was a German astronomer. He is noted for his studies of sunspots and sunspot cycles. In this regard he is often mentioned together with Edward Maunder. Spörer was the first to note a prolonged period of low sunspot activity from 1645 to 1715. This period is known as the Maunder Minimum. The Spörer minimum was a period of low sunspot activity from roughly 1420 to 1570.