Antartika: Béda antarrépisi

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'''Antartika''' nyaeta [[buana]] pangkidulna di [[Bumi]], nu ngampar di [[Kutub Kidul]]. Perenahna dina [[beulahan bumi beulah kidul]], ampir sakabehnadi kiduleun [[Antarctic Circle]], dilingkung ku [[Samudra Kidul]]. Kalayan lega 14.4 yuta&nbsp;km² (5.4 yuta&nbsp;sq&nbsp;mi), mangrupakeunmangrupa buana panggedena kalima sanggeus [[Asia]], [[Afrika]], [[Amerika Kaler]], jeung [[Amerika Kidul]]. 98% Antartika katutupan ku [[es]], nu rata-rata kandelna pangsaeutikna 1.6 kilometer (1.0&nbsp;[[statute mile|mi]]).
 
Ilaharna, Antartika mangrupakeunmangrupa buana pangtiisna, panggaringna tur panglobaanginna, sarta boga rata-rata pangluhurna ti sakabeh buana.<ref>{{cite web | title=National Geophysical Data Center | publisher=National Satellite, Data, and Information Service| url=http://www.ngdc.noaa.gov/mgg/image/2minrelief.html | accessmonthday=9 June |accessyear=2006}}</ref> Alatan [[Presipitasi (meteorologi)|presipitasina]] saeutik, kajaba di basisir, jero-jeroan buana ieu sacara tehnis mangrupakeunmangrupa [[gurun]] panglegana di dunya. Euweuh panyicingan manusa nu maneuh tur taya oge bukti yen kungsi kacicingan ku manusa ti jaman prasajarahna mula. Nu aya ukur tutuwuhan katut sasatoan nu bisa cocog jeung kaayaan alam nu tiis, kaasup [[pinguin]], [[anjing laut]] ''(fur seals)'', [[lumut]], ''[[lichen]]'', jeung sababaraha rupa ''[[ganggang]]''.
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Ngaran ''Antarktika'' mangrupakeunmangrupa versi [[Romanisasi basa Yunani|romanisasi]] tina kecap campuran [[basa Yunani]] ''Αntarktiké'' (''Aνταρκτική''), nu hartina "Sabrangeun [[Arktik]]".<ref>{{cite web|author=[[Henry Liddell|Liddell, Henry George]] and [[Robert Scott|Scott, Robert]]|work=[[A Greek-English Lexicon]] | publisher=Clarendon Press | title={{polytonic|ἀνταρκτικός}} | year=1940 | url=http://www.perseus.tufts.edu/cgi-bin/ptext?doc=Perseus:text:1999.04.0057:entry=%239514 | accessdate=12 February | accessyear=2006}}</ref> Sanajan mite jeung spekulasi ngeunaan ''[[Terra Australis]]'' ("Southern Land") date back to antiquity, the first confirmed sighting of the continent is commonly accepted to have occurred in 1820 by the [[Russia]]n expedition of [[Mikhail Petrovich Lazarev|Mikhail Lazarev]] and [[Fabian Gottlieb von Bellingshausen]]. However, the continent remained largely neglected for the rest of the 19th century because of its hostile environment, lack of resources, and isolation.
 
The [[Antarctic Treaty System|Antarctic Treaty]] was signed in 1959 by twelve countries; to date, forty-five countries have signed the treaty. The treaty prohibits military activities and mineral mining, supports scientific research, and protects the continent's [[ecozone]]. Ongoing experiments are conducted by more than 4,000 scientists of many nationalities and with different research interests.<ref name="cia">{{cite web|url=https://www.cia.gov/library/publications/the-world-factbook/geos/ay.html#People|title=Antarctica - The World Factbook|publisher=United States Central Intelligence Agency|date=2007-03-08|accessdate=2007-03-14}}</ref>
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{{Main|Géologi Antartika}}
=== Sajarah géologis jeung paléontologi ===
Leuwih ti 170 yuta taun ka tukang, Antartika mangrupakeunmangrupa bagéan tina [[superbuana]] [[Gondwana]]. Ku lumangsungna waktu, Gondwana sacara gradual peupeus tur misah tepikeun ka ayana Antartika sakumaha nu dipikanyaho ku urang kiwari téh kawangun kurang leuwih 25 taun ka tukang.
 
==== Jaman Paléozoik (540–250 mya) ====