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In ancient Greece, the term oecumene or ecumene (US; from Ancient Greek οἰκουμένη (oikouménē) 'the inhabited world') denoted the known, inhabited, or habitable world. In Greek antiquity , it referred to the portions of the world known to Hellenic geographers , subdivided into three continents: Africa , Europe , and Asia .
A declaration by the Polish Underground State in that period called for the creation of a Central and Eastern European federal union undominated by any one state. [ 55 ] [ 56 ] On 12 May 2011, the Visegrád Group countries ( The Republic of Poland , the Czech Republic , the Slovak Republic , and Hungary ) announced the formation of a Visegrád ...
The Tajik Government ceded 1,158 km 2 to the PRC, while PRC relinquished its 73,000 km 2 claim over the remaining territory with final ratification of a treaty in January 2011. [89] [note 2] However, the settlement is not recognized by the Republic of China, which would claim its westernmost point to be at 71°E along the Panj. [note 2] Paracel ...
The oceans of Europa may be habitable, according to a new model developed by NASA. This moon — 3,100 km (1,900 miles) in diameter — is the fourth-largest moon orbiting Jupiter.
NASA launched Europa Clipper on Monday, Oct. 14. The spacecraft will reach Jupiter's moon Europa in 2030 and investigate if life could survive there.
This is an accepted version of this page This is the latest accepted revision, reviewed on 8 February 2025. Discrepancy of the lack of evidence for alien life despite its apparent likelihood This article is about the absence of clear evidence of extraterrestrial life. For a type of estimation problem, see Fermi problem. Enrico Fermi (Los Alamos 1945) The Fermi paradox is the discrepancy ...
The continental territory of the historical Carolingian Empire was one of the many old cultural concepts used for mainland Europe. [6] This was consciously invoked in the 1950s as one of the basis for the prospective European integration (see also multi-speed Europe) [7] [8]
A composed satellite photograph of islands and continental areas in and surrounding the North Sea and Baltic Sea.. The northern region of Europe has several definitions. A restrictive definition may describe northern Europe as being roughly north of the southern coast of the Baltic Sea, which is about 54°N, or may be based on other geographical factors such as climate and ecology.