population of rotational level
41Planet — This article is about the astronomical object. For other uses, see Planet (disambiguation) …
42Diazenylium — N2H+, known as diazenylium, was one of the first ions to be observed in interstellar clouds. Since then, it has been observed for a variety of purposes in several different types of interstellar environments. It gives astronomers information… …
43Ghana — Ghanaian, Ghanian /gah nee euhn, gan ee /, n., adj. /gah neuh, gan euh/, n. 1. a republic in West Africa comprising the former colonies of the Gold Coast and Ashanti, the protectorate of the Northern Territories, and the U.N. trusteeship of… …
44Agriculture — General …
45Tornado — This article is about the weather phenomenon. For other uses, see Tornado (disambiguation). For the current tornado season, see Tornadoes of 2011 …
46Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …
47Temne people — ethnic group group=The Temne caption = Some notable Sierra Leoneans from the Temne ethnic group: Bai Bureh, Ernest Bai Koroma, Fatmata Turay, Ibrahim Kargbo, Mustapha Bangura, Mohamed Kamara, Umaru Bangura poptime=1,888,432 30% of Sierra Leone s… …
48Venus — This article is about the planet. For other uses, see Venus (disambiguation). Venus   …
49Maxwell–Boltzmann statistics — Statistical mechanics Thermodynamics · …
50Wrangel Island — For the Alaskan island, see Wrangell Island. Natural System of Wrangel Island Reserve * UNESCO World Heritage Site …
