1987 in film — List of years in film (table) … 1977 . 1978 . 1979 . 1980 . 1981 . 1982 . 1983 … 1984 1985 1986 1987 1988 1989 1990 … … Wikipedia
Retreat of glaciers since 1850 — The retreat of glaciers since 1850, worldwide and rapid, affects the availability of fresh water for irrigation and domestic use, mountain recreation, animals and plants that depend on glacier melt, and in the longer term, the level of the oceans … Wikipedia
Arctic Circle — This article is about one of the five major circles of latitude. For other uses, see Arctic Circle (disambiguation). World map showing the Arctic Circle in red … Wikipedia
Pytheas — of Massilia (Ancient Greek Πυθέας ὁ Μασσαλιώτης), 4th century BC, was a Greek geographer and explorer from the Greek colony Massilia (today Marseille, France). He made a voyage of exploration to northwestern Europe possibly no earlier than around … Wikipedia
Tropical Africa — is a diverse region of the African continent that falls between the Tropic of Cancer in the northern hemisphere, at approximately 23°26 (23.4°) N latitude, and the Tropic of Capricorn in the southern hemisphere at 23°26 (23.4°) S latitude. This… … Wikipedia
South America — South American. a continent in the S part of the Western Hemisphere. 271,000,000; ab. 6,900,000 sq. mi. (17,871,000 sq. km). * * * Continent, Western Hemisphere. The world s fourth largest continent, it is bounded by the Caribbean Sea to the… … Universalium
Monsoon of Indian subcontinent — Indian subcontinent with flags of individual countries A Monsoon of the Indian subcontinent is among the several geographically distributed observations of the global monsoons. In the subcontinent, it is one of oldest weather observations, an… … Wikipedia
Daytime (astronomy) — Earth daylight 13:00 UTC On Earth, daytime is roughly the period on any given point of the planet s surface during which it experiences natural illumination from indirect or (especially) direct sunlight. Other planets that rotate in relation to a … Wikipedia
Snowball Earth — The Snowball Earth hypothesis as it was originally proposedcite book author = Kirschvink, J.L. year = 1992 chapter = Late Proterozoic low latitude global glaciation: The snowball Earth title = The Proterozoic Biosphere: A Multidisciplinary Study… … Wikipedia
climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… … Universalium