butterfly diagram

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Duel between Aaron Burr and Alexander Hamilton, illustration after a painting by J. Mund.

10 Famous Duels

The Great Depression Unemployed men queued outside a soup kitchen opened in Chicago by Al Capone The storefront sign reads 'Free Soup

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Los Angeles Police Department wanted flyer on Elizabeth Short, aka the "Black Dahlia," who was brutally murdered in January 1947. The FBI supported the Los Angeles Police Department in the case, including by identifying Short through her fingerprints that

America’s 5 Most Notorious Cold Cases (Including One You May Have Thought Was Already Solved)

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The Mechanical Turk: AI Marvel or Parlor Trick?

Berlin, 1936 - Jesse Owens of the USA in action in the mens 200m at the Summer Olympic Games. Owens won a total of four gold medals.

Was Jesse Owens Snubbed by Adolf Hitler at the Berlin Olympics?

Close-up of crocodile eye; location unknown (rainforest, reptile).

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butterfly diagram

astronomy

Also known as: Maunder butterfly diagram

Learn about this topic in these articles:

sunspots

In sunspot
…chart is sometimes called the butterfly diagram because of the winglike shapes assumed by the graph. Each solar cycle begins with small spots appearing in middle latitudes of the Sun. Succeeding spots appear progressively closer to the Sun’s equator as the cycle reaches its maximum level of activity and declines.
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