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Revision as of 16:25, 19 March 2009 by 138.87.150.128 (talk)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff) For other uses, see World (disambiguation).| WorldTerra, Earth | |
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| Demonym(s) | Earthling |
| Area | |
| • Total | 149,000,000 km (58,000,000 sq mi) |
| • Density | 45/km (116.5/sq mi) |
| GDP (PPP) | 2007 estimate |
| • Total | USD $65 trillion |
| • Per capita | USD $9,600 |
| GDP (nominal) | 2007 estimate |
| • Total | USD $55 trillion |
| • Per capita | USD $8,100 |
| HDI (2006) | 0.747 high |
World inaziich is "wereld." a
Usage
'World' distinguishes the entire planet or population from any particular country or region: world affairs are those which pertain not just to one place but to the whole world, and world history is a field of history which examines events from a global (rather than a nNAZI
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Earth's outer surface is divided into several rigid segments, or tectonic plates, that gradually migrate across the surface over periods of many millions of years. About 71% of the surface is covered with salt-water oceans, the remainder consisting of continents and islands; liquid water, necessary for all known life, is not known to exist on any other planet's surface.Cite error: A <ref> tag is missing the closing </ref> (see the help page). The Earth's axis of rotation is tilted 23.4° away from the perpendicular to its orbital plane,<ref>Ahrens, Global Earth Physics: A Handbook of Physical ConstNAIIIIIIII!!!!!!!!!!!!!!!!!!!!!!!!!!
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- Het Van Dale woordenboek van de Nederlandse taal
- Newman, William L. (July 9, 2007). "Age of the Earth". Publications Services, USGS. Retrieved 2007-09-20.
{{cite web}}: Check date values in:|date=(help) - Dalrymple, G. Brent (2001). "The age of the Earth in the twentieth century: a problem (mostly) solved". Geological Society, London, Special Publications. 190: 205–221. doi:10.1144/GSL.SP.2001.190.01.14. Retrieved 2007-09-20.
- Other planets in the solar system are either too hot or too cold to support liquid water. However, it is confirmed to have existed on the surface of Mars in the past, and may still appear today. See: Msnbc (March 2, 2007). "Rover reveals Mars was once wet enough for life". NASA. Retrieved 2007-08-28.
{{cite news}}: Check date values in:|date=(help)Staff (November 7, 2005). "Simulations Show Liquid Water Could Exist on Mars". University of Arkansas. Retrieved 2007-08-08.{{cite news}}: Check date values in:|date=(help)