Wikipedia:Main Page history/2016 February 28

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From today's featured article

Pictor, depicted in c. 1756

Pictor (Latin for "painter") is a small faint constellation between the brilliant star Canopus and the Large Magellanic Cloud in the Southern Celestial Hemisphere. Normally represented as an easel, Pictor was invented and named by Nicolas Louis de Lacaille in the 18th century. The constellation's brightest star is Alpha Pictoris, a white main sequence star of apparent magnitude 3.3. Pictor also hosts RR Pictoris, a cataclysmic variable star system that flared up as a nova in 1925, reaching magnitude 1.2. Pictor's second-brightest star, Beta Pictoris, is surrounded by an unusual dust disk rich in carbon. HD 40307, an orange dwarf, has six planets orbiting it, one of which—HD 40307 g—is a potential super-Earth in the circumstellar habitable zone. Kapteyn's Star, the nearest star in Pictor to Earth, is a red dwarf 12.76 light-years away that was found to have two super-Earths in orbit in 2014. Pictor A is a radio galaxy that is shooting a jet of plasma 800,000 light-years long from a supermassive black hole at its centre. In 2006, a gamma ray burstGRB 060729—was observed in Pictor; its X-ray afterglow was detectable for nearly two years afterwards. (Full article...)

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Halocnemum strobilaceum
Halocnemum strobilaceum

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Denny Hamlin
Denny Hamlin

On this day...

February 28: Teachers' Day in the Arab world; Kalevala Day in Finland

Olof Palme
Olof Palme

Today's featured picture

Peace of Münster

The 1648 ratification of the Peace of Münster, as painted the same year by Gerard ter Borch. With this treaty, which was reached after seven years of negotiations, Spain formally recognized the independence of the United Netherlands. The treaty contributed to the Peace of Westphalia, which ended both the Thirty Years' War and the Eighty Years' War.

Painting: Gerard ter Borch

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