dense upper cloud
91X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …
92Thunderstorm — Electrical storm redirects here. For other uses, see Electrical storm (disambiguation). A typical thunderstorm A thunderstorm, also known as an electrical storm, a lightning storm, thundershower or simply a storm is a form of weather… …
93Atmospheric convection — Conditions favorable for thunderstorm types and complexes Atmospheric convection is the result of a parcel environment instability, or temperature difference, layer in the atmosphere. Different lapse rates within dry and moist air lead to… …
94passeriform — /pas euhr euh fawrm , peuh ser euh /, adj. of or pertaining to the order Passeriformes; passerine. [ < NL Passeriformes, equiv. to L passer sparrow + iformes IFORMES] * * * ▪ bird Introduction also called passerine or perching bird any… …
95Southeast Asian arts — Literary, performing, and visual arts of Myanmar (Burma), Thailand, Laos, Cambodia, Vietnam, Malaysia, Singapore, and the Philippines. The classical literatures of Southeast Asia can be divided into three major regions: the Sanskrit region of… …
96Lake Nyos — For School level education board in India, see NIOS. nyos redirects here. For information about youth orchestra, see National Youth Orchestra of Scotland. Lake Nyos Location Northwest Province …
97Trifid Nebula — by the Hubble Space Telescope (NASA/ESA) Observation data: J2000 epoch Type …
98Convective available potential energy — A skew T plot showing a morning sounding with a large hydrolapse followed by an afternoon sounding showing the cooling which occurred in the mid levels resulting in an unstable atmosphere as surface parcels have now become negatively buoyant. The …
99Amazon River — Portuguese Rio Amazonas River, northern South America. It is the largest river in the world in volume and area of drainage basin, and only the Nile River of northeastern Africa exceeds it in length. It originates within 100 mi (160 km) of the… …
100chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
