Støddarstig (øki)
(Ávíst frá 1 E+8 m²)
(Skal týðast til føroyskt, verður upprættað her, tí at ein fyrimynd nýtir henda mátan at meta um stødd á einum øki.) This page is a progressive and labelled list of the SI vídd orders of magnitude, with certain examples appended to some list objects.
Factor (m2) | Multiple | Value | Item |
---|---|---|---|
10−70 | 2.6×10−70 m2 | Planck area, [1] | |
10−52 | 10−52 m2 | 1 shed[2] | |
... | |||
10−30 | 1 square femtometre (fm2) | 1 fm2 | |
10−28 | 100 fm2 | 1 barn, roughly the cross-sectional area of an uranium nucleus[3] | |
10−24 | 1 square picometre (pm2) | 100 pm2 | |
10−20 | 1 square angstrom (Å2) | 10,000 pm2 | |
10−19 | 100,000 pm2 | Area of a lipid bilayer, per molecule[4] | |
75-260,000 pm2 | Surface area of the 20 standard amino acids[5] | ||
10−18 | 1 square nanometre (nm2) | 1 nm2 | |
10−16 | 100 nm2 | Globular proteins: solvent-accessible surface area of a typical globular protein, having a typical molecular mass of ~35000 u (quite variable)[6] | |
10−14 | 17,000 nm2 | Cross-sectional area of a nuclear pore complex in vertebrates[7] | |
10−12 | 1 square micrometre (μm2) | 6 μm2 | Surface area of an E. coli bacterium[8] |
10−10 | 100 μm2 | Surface area of a red blood cell[9] | |
10−9 | 6,000 μm2 - 110,000 μm2 | Range of common LCD screen pixel sizes[10] | |
7,000 μm2 | Area of a dot printed using 300 dots per inch resolution[11] | ||
8,000 μm2 | Cross-sectional area of a straight human hair that is 100 um[12] in diameter[13] |
Factor (m2) | Multiple | Value | Item |
---|---|---|---|
10−8 | 55,000 μm2 | Size of a pixel on a typical modern computer display | |
10−7 | 2-400,000 μm2 | Cross-sectional area of a mechanical pencil lead (0.5-0.7 mm in diameter)[14] | |
10−6 | 1 square millimetre (mm2) | 1–2 mm2 | Area of a human fovea[15] |
2 mm2 | Area of the head of a pin | ||
10−5 | 30–50 mm2 | Area of a 6–8 mm hole punched in a piece of paper by a hole punch[16] | |
10−4 | 1 square centimetre (cm2) | 290 mm2 | Area of one side of a U.S. penny[17][18] |
500 mm2 | Area of a typical postage stamp | ||
10−3 | 1,100 mm2 | Area of a human retina[19] | |
4,600 mm2 | Area of the face of a credit card[20] | ||
4,800 mm2 | Largest side of a cigarette box | ||
10−2 | 1 square decimetre (dm2) | 10,000 mm2 | Index card (3 × 5 inches)[21] |
60,000 mm2 | American letter paper (11 × 8.5 inches, "A" size) | ||
62,370 mm2 | International A4 paper (210 × 297 mm) | ||
93,000 mm2 | 1 square foot[22] | ||
10−1 | 125,000 mm2 | International A3 paper (297 × 420 mm) | |
180,000 mm2 | Surface area of a basketball (diameter 24 cm)[23][24] | ||
250,000 mm2 | International A2 paper (420 × 594 mm) | ||
500,000 mm2 | International A1 paper (594 × 841 mm) |
Factor (m2) | Multiple | Value | Item |
---|---|---|---|
100 | 1 square metre | 1 m2 | International A0 paper (841 × 1189 mm) |
1.73 m2 | A number commonly used as the average body surface area of a human[25] | ||
2–4 m2 | Area of the top of an office desk | ||
101 | 10–20 m2 | A parking space | |
70 m2 | Approximate surface area of a human lung[26] | ||
102 | 1 square decametre (dam2) | 100 m2 | One are (a) |
162 m2 | Size of a volleyball court (18 × 9 metres)[27] | ||
202 m2 | Floor area of a median suburban three-bedroom house in the US in 2010: 2.169 sq ft (201,5 m2)[28] | ||
261 m2 | Size of a tennis court[29] | ||
103 | 1,000 m2 | Surface area of a Greek Stremma | |
1,250 m2 | Surface area of the water in an Olympic-size swimming pool[30] | ||
4,047 m2 | 1 acre[31] | ||
5,400 m2 | Size of an American football field[32][33] | ||
7,140 m2 | Size of a typical football (soccer) field[34][35] | ||
104 | 1 square hectometre (hm2) | 10,000 m2 | 1 hectare (ha)[36] |
17,000 m2 | Approximate area of a cricket field (theoretical limits: 6,402 m2 to 21,273 m2)[37] | ||
22,074 m2 | Area of a Manhattan city block | ||
53,000 m2 | Base of the Great Pyramid of Giza[38][39] | ||
105 | 190,000 m2 | Irish National Botanic Gardens[tørvar keldu] | |
440,000 m2 | Vatican City[40] | ||
600,000 m2 | Total floor area of the Pentagon[41] | ||
106 | 1 square kilometre (km2) | 2 km2 | Monaco (country ranked 192nd by area)[42] |
2.59 km2 | 1 square mile[43] | ||
2.9 km2 | City of London (not all of modern London)[44] | ||
107 | 59.5 km2 | Manhattan Island (land area)[45] | |
61 km2 | San Marino[46] |
Factor (m2) | Multiple | Value | Item |
---|---|---|---|
108 | 105 km2 | Paris (inner city only)[47] | |
110 km2 | Walt Disney World[48] | ||
272 km2 | Taipei City[49] | ||
630 km2 | Toronto[50] | ||
109 | 1100 km2 | Hong Kong[51] | |
1290 km2 | Los Angeles, California, USA (city)[52] | ||
1800 km2 | Surface area of a typical neutron star[tørvar keldu] | ||
1962 km2 | Jacksonville, Florida; largest city in the Continental US[tørvar keldu] | ||
2188 km2 | Tokyo[53] | ||
5700 km2 | Bali[tørvar keldu] | ||
8028 km2 | Community of Madrid, Spain[tørvar keldu] | ||
1010 | 11,000 km2 | Jamaica[54] | |
68,870 km2 | Lake Victoria[55] | ||
84,000 km2 | Austria[56] | ||
1011 | 100,000 km2 | South Korea[57] | |
167,996 km2 | Jiuquan in China | ||
300,000 km2 | Italy[58] | ||
357,000 km2 | Germany[59] | ||
377,900 km2 | Japan[60] | ||
510,000 km2 | Spain[61] | ||
780,000 km2 | Turkey[62] | ||
1012 | 1 square megametre (Mm2) | 1.0 Mm2 | Egypt (country ranked 29th by area)[63] |
1.7 Mm2 | The state of Alaska, the largest state in the United States | ||
3.10 Mm2 | Sakha (Yakutia) Republic in Russia (largest subnational governing body)[tørvar keldu] | ||
7.74 Mm2 | Australia (country ranked 6th by area)[64] | ||
9 Mm2 | Largest extent of the Roman Empire[tørvar keldu] | ||
9.5 Mm2 | China/ United States of America | ||
1013 | 10 Mm2 | Canada (including water)[65] | |
14 Mm2 | Antarctica[66] | ||
14 Mm2 | Arable land worldwide[67] | ||
17 Mm2 | Russia (country ranked 1st by area)[68] | ||
30 Mm2 | Africa[69] | ||
36 Mm2 | Largest extent of the British Empire[tørvar keldu] | ||
38 Mm2 | Surface area of the Moon[70] | ||
77 Mm2 | Atlantic Ocean[71] | ||
1014 | 144 Mm2 | Surface area of Mars[72] | |
150 Mm2 | Land area of Earth[73] | ||
156 Mm2 | Pacific Ocean[74] | ||
360 Mm2 | Water area of Earth[73] | ||
510 Mm2 | Total surface area of Earth[73] |
Factor (m2) | Multiple | Value | Item |
---|---|---|---|
1015 | 1,000 Mm2 | Surface area of the white dwarf, Van Maanen's star | |
7,600 Mm2 | Neptune[75] | ||
1016 | 43,000 Mm2 | Saturn[76] | |
61,000 Mm2 | Jupiter,[77] the "surface" area of the spheroid (calculated from the mean radius as reported by NASA). The cross-sectional area of Jupiter, which is the same as the "circle" of Jupiter seen by an approaching spacecraft, is exactly one quarter the surface-area of the overall sphere, which in the case of Jupiter is approximately 1.535e+16 square meters. | ||
1017 | 2-600,000 Mm2 | Surface area of the brown dwarf star CT Chamaeleontis. | |
460,000 Mm2 | Area swept by the Moon's orbit of Earth | ||
1018 | 1 square gigametre (Gm2) | 6.1 Gm2 | Surface area of the Sun[78] |
1019 | 30 Gm2 | Surface area of the star Vega | |
1020 | 100 Gm2 | ||
1021 | 1,000 Gm2 | ||
1022 | 11,000 Gm2 | Area swept by Mercury's orbit around the Sun | |
37,000 Gm2 | Area swept by Venus' orbit around the Sun | ||
71,000 Gm2 | Area swept by Earth's orbit around the Sun | ||
1023 | 160,000 Gm2 | Area swept by Mars' orbit around the Sun | |
281,000 Gm2 | Surface area of a Dyson sphere with a radius of 1 AU | ||
1024 | 1 square terametre (Tm2) | 1.9 Tm2 | Area swept by Jupiter's orbit around the Sun |
6.4 Tm2 | Area swept by Saturn's orbit around the Sun | ||
8.5 Tm2 | Surface area of the red supergiant star Betelgeuse | ||
1025 | 24 Tm2 | Surface area of the largest known star, the Hypergiant VY Canis Majoris | |
26 Tm2 | Area swept by Uranus' orbit around the Sun | ||
64 Tm2 | Area swept by Neptune's orbit around the Sun | ||
1026 | 110 Tm2 | Area swept by Pluto's orbit around the Sun |
Factor (m2) | Multiple | Value | Item |
---|---|---|---|
1030 | 1 square Petametre (Pm2) | ||
1031 | 10 Pm2 | ||
1032 | 200 Pm2 | Roughly the surface area of an Oort Cloud | |
300 Pm2 | Roughly the surface area of a Bok globule | ||
1033 | 1,000 Pm2 | ||
1034 | 30,000 Pm2 | Roughly the surface area of The Bubble | |
1035 | 100,000 Pm2 | ||
1036 | 1 square Exametre (Em2) | ||
... | |||
1041 | 700,000 Em2 | Roughly the area of Milky Way's galactic disk | |
1042 | 1 square Zettametre (Zm²) | ||
... | |||
1048 | 1 square Yottometre (Ym²) |
References
rætta- ↑ Calculated: square of the Planck length = (1.62e-35 m)^2 = 2.6e-70 m^2
- ↑ Russ Rowlett (September 1, 2004). "Units: S". How Many? A Dictionary of Units of Measurement. University of North Carolina at Chapel Hill. http://www.unc.edu/~rowlett/units/dictS.html. Heintað 2011-10-25.
- ↑ "Other non-SI units". SI brochure. BIPM. http://www.bipm.org/en/si/si_brochure/chapter4/table8.html. Heintað 2011-10-25.
- ↑ ""Rule of thumb" for the area per molecule in lipid bilayer". BioNumbers. http://bionumbers.hms.harvard.edu/bionumber.aspx?s=n&id=101837. Heintað 2011-10-09.
- ↑ "Individual Properties of the 20 Standard Amino Acids: Properties and Images". The Amino Acid Repository. Jena Library of Biological Macromolecules. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2011-09-04. https://web.archive.org/web/20110904020641/http://www.imb-jena.de/IMAGE_AA.html. Heintað 2011-10-10.
- ↑ Empty citation (help)
- ↑ "The Nuclear Pore Complex". UIUC Theoretical and Computational Biophysics Group. http://www.ks.uiuc.edu/Research/npc/. Heintað 2011-10-14.
- ↑ "E. coli Statistics". The CyberCell Database. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2011-10-27. https://web.archive.org/web/20111027220034/http://www.ccdb.ualberta.ca/CCDB/cgi-bin/STAT_NEW.cgi. Heintað 2011-09-11.
- ↑ Marcelli, Gianluca; Parker, Kim H.; Winlove, C. Peter (2005). "Thermal Fluctuations of Red Blood Cell Membrane via a Constant-Area Particle-Dynamics Model". Biophysical Journal 89 (4): 2473–2480. Bibcode:2005BpJ....89.2473M. doi:10.1529/biophysj.104.056168. Retrieved 2011-09-27.
- ↑ Calculated: Smallest and largest common pitches were 77 micrometers and 337 micrometers. (77e-6 m)^2 ~= 6e-9 m^2. (337e-6 m)^2 ~= 114e-9 m^2 ~= 110e-9 m^2
- ↑ Calculated: (300 dots per inch / 2.54e-2 m/inch)^(-2) = 7.2e-9 m^2
- ↑ "Hair Fiber Composition". http://www.keratin.com/aa/aa012.shtml#04. Heintað 2011-09-30.
- ↑ Calculated: 100 μm in diameter => pi * ((1e-4 m)/2)**2 = 7.9e-9 m^2
- ↑ Calculated: pi * (0.5mm/2)^2 = 2.0e-7 m^2 and pi * (0.7mm/2)^2 = 3.8e-7 m^2)
- ↑ "Part XIII: Facts and Figures concerning the human retina". Webvision. University of Utah. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2011-10-11. https://web.archive.org/web/20111011004153/http://webvision.med.utah.edu/book/part-xiii-cellular-remodeling-in-mammalian-retina-induced-by-retinal-detachment/. Heintað 2011-09-28.
- ↑ Calculated: ((6e-3 m)/2)**2 * pi = 2.8e-5 m^2 and ((8e-3 m)/2)**2 * pi = 5.0e-5 m^2
- ↑ "Coin specifications". United States Mint. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2015-02-18. https://web.archive.org/web/20150218061037/http://www.usmint.gov/about_the_mint/?action=coin_specifications. Heintað 2011-12-28.
- ↑ Calculated: area = pi * diameter^2 / 4 = 3.14 * (19.05e-3 m)^2 = 2.850e-4 m^2
- ↑ Taylor, Enid; Jennings, Alan (1971). "Calculation of total retinal area". Brit. J. Ophthal. 55 (4): 262–5. PMC 1208280. PMID 5572268. Retrieved 2011-09-27.
- ↑ "Credit Card Dimensions". http://www.dimensionsguide.com/credit-card-dimensions/. Heintað 2011-09-30.
- ↑ Calculated: 3 inches * 5 inches * (2.54e-2 m/inch)^2 = 9.7e-3 m^2 ~= 0.01 m^2
- ↑ Calculated: 1 foot * 1 foot * (0.3048 meters / foot)^2 = 0.093 m^2
- ↑ "Rules of the Game". USA Basketball. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 27 October 2011. https://web.archive.org/web/20111027183121/http://www.usabasketball.com/rules/rules.html. Heintað 28 October 2011.
- ↑ Calculated: 29.5-29.75 inch circumference * 2.54 cm / in = 23.85-24.05 cm diameter => radius = 0.119-0.120 m => Area = 4 * pi * (0.119 m)^2 = 0.18 m^2
- ↑ Sacco, Joseph J.; Botten, Joanne; Macbeth, Fergus; Bagust, Adrian; Clark, Peter (2010). "The Average Body Surface Area of Adult Cancer Patients in the UK: A Multicentre Retrospective Study". PLoS ONE 5 (1): e8933. Bibcode:2010PLoSO...5.8933S. PMC 2812484. PMID 20126669. doi:10.1371/journal.pone.0008933. Retrieved 2011-09-27.
- ↑ Notter, Robert H. (2000). Lung surfactants: basic science and clinical applications. New York, N.Y: Marcel Dekker. p. 120. ISBN 0-8247-0401-0. Retrieved 2011-09-27.
- ↑ "Section 1.1". Official Volleyball Rules 2011-2012 (PDF). FIVB. 2010. Retrieved 2011-10-27.
The playing court is a rectangle measuring 18 x 9 m, surrounded by a free zone which is a minimum of 3 m wide on all sides.
- ↑ "Median and Average Square Feet of Floor Area in New Single-Family Houses Completed by Location" (PDF). US Census Bureau. http://www.census.gov/const/C25Ann/sftotalmedavgsqft.pdf. Heintað 2011-09-26.
- ↑ "Area of a Tennis Court". The Physics Factbook. http://hypertextbook.com/facts/2009/AmyHuang.shtml. Heintað 2011-09-27.
- ↑ Calculated: 50 m * 25 m = 1250 m^2
- ↑ "General Tables of Units of Measurement". NIST. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 24 November 2011. https://web.archive.org/web/20111124224233/http://ts.nist.gov/WeightsAndMeasures/Publications/upload/h4402_appenc.pdf. Heintað 28 October 2011. ""4046.87""
- ↑ "What are the Dimensions of a Football Field". Dimensions Guide. http://www.dimensionsguide.com/what-are-the-dimensions-of-a-football-field/. Heintað 2011-10-27.
- ↑ Calculated: 360 feet * 160 feet * (0.3048 m/ft)^2 = 5351 m^2 ~= 5400 m^2
- ↑ "How Big Is An Olympic Soccer Field?". LIVESTRONG.COM. http://www.livestrong.com/article/406257-how-big-is-an-olympic-soccer-field/. Heintað 4 January 2012. "For the Olympics, fields are supposed to measure exactly 105 meters long and 68 meters wide"
- ↑ Calculated: 105 m * 68 m = 7140 m^2
- ↑ "General Tables of Units of Measuremen". NIST. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 24 November 2011. https://web.archive.org/web/20111124224233/http://ts.nist.gov/WeightsAndMeasures/Publications/upload/h4402_appenc.pdf. Heintað 28 October 2011.
- ↑ [1]
- ↑ Greenberg, Ralph. "THE GREAT PYRAMID OF GIZA (Some Elegant Numerical Relationships)". http://www.math.washington.edu/~greenber/GizaPyramid.html. Heintað 4 January 2012. "average length of the four sides is 230.364 meters"
- ↑ Calculated: 230.364 m^2 ~= 53068 m^2
- ↑ "Holy See (Vatican City)". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2020-12-23. https://web.archive.org/web/20201223203905/https://www.cia.gov/library/publications/the-world-factbook/geos/vt.html. Heintað 2011-10-28.
- ↑ "The Pentagon - George Bergstrom". Great Buildings Online. http://www.greatbuildings.com/buildings/The_Pentagon.html. Heintað 28 October 2011. "Floor area of 6.5 million square feet, 34 acres, 13.8 hectares, of which 3.7 million square feet are used for offices."
- ↑ "Monaco". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2020-05-01. https://web.archive.org/web/20200501044234/https://www.cia.gov/library/publications/the-world-factbook/geos/mn.html. Heintað 2011-09-30.
- ↑ Calculated: 1 mile * 1 mile * (1.61 km / mile)^2 = 2.59 km^2
- ↑ "Jurisdictions: London". The International Finance Centre Portal. http://www.internationalfinancecentres.com/jurisdictions/view/41. Heintað 28 October 2011.
- ↑ "New York -- Place and County Subdivision: Population, Housing Units, Area, and Density 2000". Census 2000 Summary File 1. US Census Bureau. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2011-01-03. https://web.archive.org/web/20110103055349/http://factfinder.census.gov/servlet/GCTTable?_bm=y&-geo_id=04000US36&-_box_head_nbr=GCT-PH1-R&-ds_name=DEC_2000_SF1_U&-_lang=en&-redoLog=false&-mt_name=PEP_2006_EST_GCTT1_ST2&-format=ST-7S&-_sse=on. Heintað 2011-10-28.
- ↑ "San Marino". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2020-05-01. https://web.archive.org/web/20200501044303/https://www.cia.gov/library/publications/the-world-factbook/geos/sm.html. Heintað 2011-09-30.
- ↑ "Paris" (PDF). INSEE. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 29 December 2009. https://web.archive.org/web/20091229230237/http://www.statistiques-locales.insee.fr/Fiches/RS/DEP/75/COM/RS_COM75056.pdf. Heintað 28 October 2011.
- ↑ "Walt Disney World Resort". Disney By The Numb3rs. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 12 June 2015. https://web.archive.org/web/20150612090638/http://disneybythenumbers.com/wdw/wdw.html. Heintað 28 October 2011. "30,500 acres"
- ↑ "Appendix II Statistics". Taipei Yearbook 2010. http://tcgwww.taipei.gov.tw/ct.asp?xItem=6499588&ctNode=45847&mp=100089. Heintað 28 October 2011.
- ↑ "Population and Dwelling Counts". 2001 Census. Statistics Canada. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 17 March 2007. https://web.archive.org/web/20070317191603/http://www12.statcan.ca/english/census01/products/standard/popdwell/Table-CSD-P.cfm?PR=35&T=2&SR=1&S=3&O=D. Heintað 28 October 2011.
- ↑ "Hong Kong". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2009-05-13. https://web.archive.org/web/20090513083413/https://www.cia.gov/library/publications/the-world-factbook/geos/hk.html. Heintað 2011-09-29.
- ↑ "California by Place: Los Angeles city". US Census. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 12 February 2020. https://archive.today/20200212034038/http://factfinder.census.gov/servlet/GCTTable?-geo_id=04000US06&-mt_name=DEC_2000_SF1_U_GCTPH1_ST7&-ds_name=DEC_2000_SF1_U. Heintað 28 October 2011. "498.29 square miles"
- ↑ "OVERVIEW OF TOKYO". Tokyo Metropolitan Government. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 8 November 2011. https://web.archive.org/web/20111108043249/http://www.metro.tokyo.jp/ENGLISH/PROFILE/overview02.htm. Heintað 28 October 2011.
- ↑ "Jamaica". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2018-12-24. https://web.archive.org/web/20181224150649/https://www.cia.gov/library/publications/the-world-factbook/geos/jm.html. Heintað 2011-09-29.
- ↑ "Lake Profile: Victoria". World Lakes. LakeNet. http://www.worldlakes.org/lakedetails.asp?lakeid=8361. Heintað 28 October 2011.
- ↑ "Austria". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2009-06-10. https://web.archive.org/web/20090610113837/https://www.cia.gov/library/publications/the-world-factbook/geos/AU.html. Heintað 2011-09-29.
- ↑ "South Korea". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2020-05-18. https://web.archive.org/web/20200518191543/https://www.cia.gov/library/publications/the-world-factbook/geos/ic.html. Heintað 2011-09-29.
- ↑ "Italy". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2017-07-09. https://web.archive.org/web/20170709111211/https://www.cia.gov/library/publications/the-world-factbook/geos/it.html. Heintað 2011-09-29.
- ↑ "Germany". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2017-07-09. https://web.archive.org/web/20170709111211/https://www.cia.gov/library/publications/the-world-factbook/geos/it.html. Heintað 2011-09-29.
- ↑ "Japan". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2017-07-09. https://web.archive.org/web/20170709111211/https://www.cia.gov/library/publications/the-world-factbook/geos/it.html. Heintað 2011-09-29.
- ↑ "Spain". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2009-05-13. https://web.archive.org/web/20090513080105/https://www.cia.gov/library/publications/the-world-factbook/geos/sp.html. Heintað 2011-09-29.
- ↑ "Turkey". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2016-08-27. https://web.archive.org/web/20160827033850/https://www.cia.gov/library/publications/the-world-factbook/geos/tu.html. Heintað 2011-09-29.
- ↑ "Egypt". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2018-12-24. https://web.archive.org/web/20181224211210/https://www.cia.gov/library/publications/the-world-factbook/geos/eg.html. Heintað 2011-09-29.
- ↑ "Australia". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2016-05-15. https://web.archive.org/web/20160515201241/https://www.cia.gov/library/publications/the-world-factbook//geos/as.html. Heintað 2011-10-28.
- ↑ "Canada". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2019-04-30. https://web.archive.org/web/20190430234227/https://www.cia.gov/library/publications/the-world-factbook/geos/ca.html. Heintað 2011-09-29.
- ↑ "Antarctica". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2020-04-12. https://web.archive.org/web/20200412112451/https://www.cia.gov/library/publications/the-world-factbook/geos/ay.html. Heintað 2011-10-28.
- ↑ "FAO Resources page". FAO.org. 2010. http://www.fao.org/economic/ess/ess-publications/ess-yearbook/ess-yearbook2010/yearbook2010-reources/en/.
- ↑ "Russia". The World Factbook. Central Intelligence Agency. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2007-06-12. https://web.archive.org/web/20070612205939/https://www.cia.gov/library/publications/the-world-factbook/geos/rs.html. Heintað 2011-09-29.
- ↑ "Map of Africa". Worldatlas.com. http://www.worldatlas.com/webimage/countrys/af.htm. Heintað 4 January 2012. "30,065,000 sq km"
- ↑ "Earth's Moon: Facts & Figures". Solar System Exploration. NASA. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2015-06-07. https://web.archive.org/web/20150607073509/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Moon&Display=Facts. Heintað 2011-09-29.
- ↑ "The World Factbook: Atlantic Ocean". Central Intelligence Agency. 2011-03-24. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2020-12-19. https://web.archive.org/web/20201219195423/https://www.cia.gov/library/publications/the-world-factbook/geos/zh.html#Geo. Heintað 2011-09-30.
- ↑ "Mars: Facts & Figures". Solar System Exploration. NASA. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2015-04-23. https://web.archive.org/web/20150423150235/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mars&Display=Facts. Heintað 2011-09-29.
- ↑ 73.0 73.1 73.2 "The World Factbook: World". Central Intelligence Agency. 2011-08-31. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2010-01-05. https://web.archive.org/web/20100105171656/https://www.cia.gov/library/publications/the-world-factbook/geos/xx.html#Geo. Heintað 2011-09-27.
- ↑ "The World Factbook: Pacific Ocean". Central Intelligence Agency. 2011-11-17. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2013-01-01. https://web.archive.org/web/20130101092426/https://www.cia.gov/library/publications/the-world-factbook/geos/zn.html#Geo. Heintað 2011-09-30.
- ↑ "Neptune: Facts & Figures". Solar System Exploration. NASA. http://solarsystem.nasa.gov/planets/profile.cfm?Object=Neptune&Display=Facts. Heintað 2011-09-29.
- ↑ "Saturn: Facts & Figures". Solar System Exploration. NASA. http://solarsystem.nasa.gov/planets/profile.cfm?Object=Saturn&Display=Facts. Heintað 2011-09-29.
- ↑ "Jupiter: Facts & Figures". Solar System Exploration. NASA. http://solarsystem.nasa.gov/planets/profile.cfm?Object=Jupiter&Display=Facts. Heintað 2011-09-29.
- ↑ "Sun: Facts & Figures". Solar System Exploration. NASA. Talgilda eintakið, gjørt eftir tí talgilda frumeintakinum , varð goymt í skjalasavni á netinum tann 2011-07-03. https://web.archive.org/web/20110703081045/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Sun&Display=Facts. Heintað 2011-09-29.