Helium atom ground state en.wikipedia.org Visit source

Image 30Oblique shock, by NASA/United States Air Force (from Wikipedia:Featured pictures/Sciences/Others) en.wikipedia.org Visit source

Image 19Peruvian Andes at United States Exploring Expedition, by Alfred Thomas Agate (edited by Durova) (from… en.wikipedia.org Visit source

Image 6The Olympic marmot (Marmota olympus) is a rodent in the squirrel family, Sciuridae. It occurs only in t… en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

Image 9In order theory and model theory, branches of mathematics, Cantor's isomorphism theorem states that eve… en.wikipedia.org Visit source

Image 7In number theory, specifically the study of Diophantine approximation, the lonely runner conjecture is… en.wikipedia.org Visit source

Image 5Advanced Placement (AP) Statistics (also known as AP Stats) is a college-level high school statistics c… en.wikipedia.org Visit source

Image 7 Bust of Shen at the Beijing Ancient ObservatoryShen Kuo (Chinese: 沈括; 1031–1095) or Shen Gua, courtesy… en.wikipedia.org Visit source

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State emblem of Syria en.wikipedia.org Visit source

Image 14Slavery in the United StatesPhoto credit: McPherson and OliverScars of a whipped slave named Peter, ph… en.wikipedia.org Visit source

Image 11Operation IvyPhoto: United States Department of EnergyThe mushroom cloud from the Ivy Mike nuclear tes… en.wikipedia.org Visit source

Image 7Invasion of NormandyPhoto credit: United States Coast GuardLanding ships putting ashore on Omaha Beach… en.wikipedia.org Visit source

Image 10 John S. MarmadukeOn September 6, 1863, near Little Rock, Arkansas, a duel was fought between John S.… en.wikipedia.org Visit source

Hurricane Frances flooded areas outside the Biltmore Estate in Asheville, North Carolina en.wikipedia.org Visit source

A map of rainfall totals associated with Hurricane Frances in the United States, showing a peak in North Carol… en.wikipedia.org Visit source

Track map of Hurricane Frances, beginning east of the Lesser Antilles, passing through the Bahamas, and moving… en.wikipedia.org Visit source

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United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source

United States en.wikipedia.org Visit source