Wikipedia:Picture of the day/July 2012
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These featured pictures, as scheduled below, appeared as the picture of the day (POTD) on the English Wikipedia's Main Page in July 2012. Individual sections for each day on this page can be linked to with the day number as the anchor name (e.g. [[Wikipedia:Picture of the day/July 2012#1]]
for July 1).
You can add an automatically updating POTD template to your user page using {{Pic of the day}}
(version with blurb) or {{POTD}}
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July 1
A drawing depicting the death of John F. Reynolds, a United States Army officer who was killed at the Battle of Gettysburg on July 1, 1863. Reynolds was commanding the "left wing" of the Army of the Potomac. As he was exhorting his troops, "Forward men! For God's sake forward!", he fell from his horse with a wound in the back of the upper neck, or lower head, and died almost instantly. His death essentially selected the location for the battle, to fight on that ground with forces that were initially numerically inferior to the Confederates that were concentrating there. Artist: Alfred Waud; Restoration: Jujutacular/PLW
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July 2
The F-16 Solo Display Team is one of three solo aerobatics display teams of the Royal Netherlands Air Force. It is currently based at Volkel Air Base in the Dutch province of North Brabant and consists of the pilot, two instructors and seven ground crew. Photo: Łukasz Golowanow
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July 3
The plains zebra (Equus quagga, subspecies Grant's zebra pictured) is the most common and geographically widespread species of zebra. It ranges from the south of Ethiopia through East Africa to as far south as Angola and eastern South Africa. The plains zebra is mid-sized, smaller on average than the other two zebra species, and thick-bodied with relatively short legs. Adults of both sexes can stand from 1.1 to 1.47 m (3.6 to 4.8 ft) high at the shoulder, are 2 to 2.5 m (6.6 to 8.2 ft) long (excluding the tail), and weigh 175 to 387 kg (386 to 853 lb), with males slightly heavier than females. Photo: Muhammad Mahdi Karim
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July 4
Maximum Intensity Projection (MIP) of a wholebody radiotherapy. Besides normal accumulation of the tracer in the heart, bladder, kidneys and brain, liver metastases of a colorectal tumor are clearly visible within the yellow and red area in the right upper abdomen.
Image: Jens Langner
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July 5
Photo: Martin St-Amant
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July 6
An illustration of various Pulmonata (and one predator arthropod in the lower right), an informal group of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. Pulmonata was previously a formal taxon but lost its status as one in 2010. The group includes many land and freshwater families, and several marine families. Most species have a shell, but no operculum, although the group does also include several shell-less slugs. Pulmonates are hermaphroditic, and some groups possess love darts. Artist: H. Morin; Restoration: Citron
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July 7
The West Indian sea egg (Tripneustes ventricosus) is a species of sea urchin found in the Caribbean Sea and neighboring parts of the Atlantic Ocean. It is dark in colour, usually black, dark purple, or reddish brown, with white spines 1–2 cm (0.4–0.8 in) long, and can grow to 10–15 cm (3.9–5.9 in) in diameter. Photo: Nick Hobgood
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July 8
Hera is an Icelandic singer-songwriter who emigrated to New Zealand as a teenager. She is known for her facial art, which is "inspired by moko and also by Celtic warrior paint" and intended to represent both her Icelandic and New Zealand heritage. In 2002 she was named Best Female Singer at the Icelandic Music Awards. Photo: Kyle Cassidy
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July 9
Photo: JaGa
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July 10
Electrolytically refined pure (99.9%) nodules and a 1 cm3 cube of nickel, a silvery-white lustrous transition metal with a slight golden tinge. The nodules have visible green, crystallized nickel-electrolyte salts in the pores. Native nickel is rarely found on Earth's surface, being mostly confined to the interiors of larger nickel–iron meteorites. Photo: Alchemist-hp
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July 11
The Photo: JJ Harrison
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July 12
A view west along the main stem of the Photo: Mindfrieze
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July 13
An Arabic anbar, via Medieval Latin ambar and Old French ambre. The word originally referred to a precious oil derived from the sperm whale (now called ambergris ). The two substances were confused, because they both were found washed up on beaches.
Photo: Anders L. Damgaard
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July 14
A hand-tinted glass slide of cold weapons and armor typically used by samurai, members of the military nobility of pre-industrial Japan. On the left can be seen pole weapons, with a variety of swords in the middle, and longbows on the right. Flanking the weapons are two suits of armor, with a man using a soroban on the far left. Photo: T. Enami
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July 15
A view from space of an explosive eruption of Sarychev Peak on June 12, 2009. The volcano is the central peak of Matua, an uninhabited island in the Kuril archipelago in the Sea of Okhotsk east of Russia and north of Japan. During World War II, the Imperial Japanese Army had an airfield on the island, which was taken over by the Soviet Border Troops after the war and abandoned in 1999. Photo: NASA
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July 16
A photomontage of several views of the shell of a ramose murex (Chicoreus ramosus), a species of predatory sea snail found in shallow waters of the Indo-West Pacific. The shell is large, up to 330 mm (13 in) in length and coloured white to light brown externally and generally pink towards the inner edge, the outer lip and the columella. Photo: H. Zell
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July 17
Arrangement in Gray: Portrait of the Painter, a James Abbot McNeill Whistler (1834–1903). Whistler, best known for the painting Whistler's Mother, was the founder of the tonalist movement in art, a leader in the Aesthetic Movement and a proponent of "art for art's sake". Born in Lowell, Massachusetts , he lived in Russia, England, and the US in his youth, studied art in France, and finally moved permanently to London in 1859. He was highly influential and during his life, he affected two generations of artists, in Europe and in the US.
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July 18
The Photo: Richard Bartz
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July 19
The Photo: Nick Hobgood
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July 20
The red-necked wallaby (Macropus rufogriseus ssp. rufogriseus shown here) is a medium-sized marsupial macropod, common in the more temperate and fertile parts of eastern Australia, including Tasmania. They can weigh 13.8 to 18.6 kg (30 to 41 lb) and attain a head–body length of 90 cm (35 in), with males being generally bigger than females. They are mainly solitary but will gather together when there is an abundance of resources such as food, water or shelter. Photo: JJ Harrison
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July 21
Photo: Bain News Service; Restoration: Staxringold
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July 22
A 3D ray tracing of a glass molecular model, demonstrating the algorithm's ability in simulating depth of field (DOF), which is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image. When much of the foreground and background of an image is sharp, its DOF is deep. The opposite is called shallow focus. Image:
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July 23
The obverse (left) and reverse sides of a Fields Medal, the colloquial name for a prize awarded to two, three, or four mathematicians not over 40 years of age at each International Congress of Mathematicians. The name is in honour of Canadian mathematician John Charles Fields, who was instrumental in establishing the award. It is often viewed as the greatest honour a mathematician can receive. Photo: Stefan Zachow, International Mathematical Union
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July 24
The Photo: JJ Harrison
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July 25
On July 25, 1976, the Cydonia region of Mars with the appearance of a humanoid face (see inset), which led to much speculation about life on Mars. In 2007, high-resolution images taken by the Mars Reconnaissance Orbiter of the same structure definitively showed that the face was merely an optical illusion known as pareidolia .
Photo: NASA/JPL/University of Arizona
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July 26
The Photo: Ggia
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July 27
Rhodium, one of the rarest metals on Earth, in three states of processing: one gram in powder form, a one-gram pressed cylinder, and a one-gram argon arc remelted pellet. Rhodium is a chemically inert precious transition metal found as a free metal or in platinum or nickel ores together with the other members of the platinum group metals. Photo: Alchemist-hp
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July 28
View of Photo: Murdockcrc
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July 29
The European bison or wisent (Bison bonasus) is the heaviest of the surviving land animals in Europe, with males growing to around 1,000 kg (2,200 lb). European bison were hunted to extinction in the wild, but have since been reintroduced from captivity into several countries. This male is moulting, his winter coat coming off in clumps. Photo: Michael Gäbler
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July 30
The Christmas tree worm (Spirobranchus giganteus) is a small, tube-building marine polychaete worm. Both its common and Latin names refer to the two spiral structures, the most common feature seen by divers, which resemble Christmas trees. These are specialized mouth appendages which trap prey microorganisms and also act as respiratory structures. Photo: Nick Hobgood
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July 31
American writer and essayist G. D. Falksen wearing steampunk attire, reflecting the genre of fiction for which he is best known. His work includes several short stories and a novel released in July 2011. His large number of articles on the genre have led him to be called "America's authority on the movement" and "the unofficial face of Steampunk". Photo: Tyrus Flynn
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