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Wikipedia:Main Page history/2017 August 10

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Earliest depiction of Lynx, in 1690

Lynx is a constellation in the northern sky that was introduced in the 17th century by Johannes Hevelius. Named after the animal, it is a faint constellation whose brightest stars form a zigzag line. The orange giant Alpha Lyncis is the brightest star in the constellation, while the semiregular variable star Y Lyncis is a popular target for amateur astronomers. Six star systems have been found to contain planets. Those of 6 Lyncis and HD 75898 were discovered by the Doppler method; those of XO-2, XO-4, XO-5 and WASP-13 were observed as they passed in front of the host star. Within the constellation's borders lie NGC 2419, an unusually remote globular cluster; the galaxy NGC 2770, which has hosted three recent Type Ib supernovae; the distant quasar APM 08279+5255, whose light is magnified and split into multiple images by the gravitational lensing effect of a foreground galaxy; and the Lynx Supercluster, which was the most distant supercluster known at the time of its discovery in 1999. (Full article...)

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Sabina Cvilak
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August 10

José Antônio Saraiva
José Antônio Saraiva

Al-Wathiq (d. 847) · Alexander Glazunov (b. 1865) · Gilbert Parkhouse (d. 2000)

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Ring-billed gull

A portrait of a ring-billed gull (Larus delawarensis) in Windsor, Ontario. The popular name of this medium-sized gull comes from the black ring around its bill. This species is found near lakes, rivers, or the coast in Canada and the northern United States. It nests in colonies on the ground, often on islands.

Photograph: Chris Woodrich

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