Bumi: Perbedaan antara revisi

<ref name="blueplanet">{{cite journal|date=February 2009|title=Exploring the Water Cycle of the 'Blue Planet': The Soil Moisture and Ocean Salinity (SMOS) mission|journal=ESA Bulletin|publisher=[[European Space Agency]]|issue=137|pages=6–15 |url=http://www.esa.int/esapub/bulletin/bulletin137/bul137b_drinkwater.pdf |first1=Mark |last1=Drinkwater |first2=Yann |last2=Kerr |first3=Jordi |last3=Font |first4=Michael |last4=Berger |quote=A view of Earth, the 'Blue Planet'...&nbsp;When astronauts first went into the space, they looked back at our Earth for the first time, and called our home the 'Blue Planet'.}}</ref>

<ref name="WGS-84-2">{{cite web |first1=Sigurd |last1=Humerfelt |date=October 26, 2010 |title=How WGS 84 defines Earth |url=http://home.online.no/~sigurdhu/WGS84_Eng.html |accessdate=2011-04-29 }}</ref>

<ref name="yoder12">{{cite book|last1=Yoder|first1=Charles F.|editor=T. J. Ahrens|year=1995|title=Global Earth Physics: A Handbook of Physical Constants|publisher=American Geophysical Union|location=Washington|url=http://www.agu.org/reference/gephys.html|archiveurl=http://replay.waybackmachine.org/20090421092502/http://www.agu.org/reference/gephys.html|archivedate=2007-03-08|accessdate=2007-03-17|isbn=0-87590-851-9 |page=12}}</ref>

<ref name=yoder1995>{{cite book|last1=Yoder|first1=Charles F.|editor=T. J. Ahrens|year=1995|title=Global Earth Physics: A Handbook of Physical Constants|publisher=American Geophysical Union|location=Washington|url=http://replay.waybackmachine.org/20090421092502/http://www.agu.org/reference/gephys.html|accessdate=2007-03-17|isbn=0-87590-851-9 |page=8}}</ref>

<ref name=science164_1229>{{cite journal|last1=Hurley|first1=P. M.|last2=Rand|first2=J. R.|year=1969|title=Pre-drift continental nuclei|journal=Science|volume=164 |pages=1229–1242|doi=10.1126/science.164.3885.1229|pmid=17772560|month=Jun|issue=3885 |bibcode = 1969Sci...164.1229H }}</ref>

<ref name="britt2000">{{cite web|first1=Robert|last1=Britt|url=http://replay.waybackmachine.org/20090605231345/http://www.space.com/scienceastronomy/solarsystem/death_of_earth_000224.html |title=Freeze, Fry or Dry: How Long Has the Earth Got?|date=2000-02-25}}</ref>

<ref name=epsl121_1>{{cite journal|last1=Vlaar|first1=N|title=Cooling of the Earth in the Archaean: Consequences of pressure-release melting in a hotter mantle|year=1994|journal=Earth and Planetary Science Letters|volume=121|issue=1–2|page=1|doi=10.1016/0012-821X(94)90028-0|coauthors=Vankeken, P.; Vandenberg, A. |url=http://www.geo.lsa.umich.edu/~keken/papers/Vlaar_EPSL94.pdf |format=PDF|bibcode=1994E&PSL.121....1V}}</ref>

<ref name="heat loss">{{cite journal|doi=10.1029/JB086iB12p11535|title=Oceans and Continents: Similarities and Differences in the Mechanisms of Heat Loss|year=1981|last1=Sclater|first1=John G|journal=Journal of Geophysical Research|volume=86|issue=B12 |page=11535|coauthors=Parsons, Barry; Jaupart, Claude|bibcode=1981JGR....8611535S}}</ref>

<ref name=podp2000>{{cite web|last1=Meschede|first1=Martin|last2=Barckhausen|first2=Udo |date=2000-11-20|url=http://www-odp.tamu.edu/publications/170_SR/chap_07/chap_07.htm|title=Plate Tectonic Evolution of the Cocos-Nazca Spreading Center|work=Proceedings of the Ocean Drilling Program|publisher=Texas A&M University|accessdate=2007-04-02}}</ref>

<ref name=vazquez_etal2006>{{cite web|last1=Vázquez|first1=M.|first2=P. Montañés|last2=Rodríguez|last3=Palle|first3=E.|year=2006|url =http://www.iac.es/folleto/research/preprints/files/PP06024.pdf|title=The Earth as an Object of Astrophysical Interest in the Search for Extrasolar Planets|publisher=Instituto de Astrofísica de Canarias|accessdate=2007-03-21 |format=PDF}}</ref>

<ref name=lin2006>{{cite web|first1=Haosheng|last1=Lin|title=Animation of precession of moon orbit|work=Survey of Astronomy AST110-6|year=2006|publisher=University of Hawaii at Manoa|url=http://www.ifa.hawaii.edu/users/lin/ast110-6/applets/precession_of_moon_orbit.htm |accessdate=2010-09-10}}</ref>

<ref name="World_Population_Clock">{{cite web |author=[[United States Census Bureau]] |url=http://www.census.gov/population/popclockworld.html |title=World POP Clock Projection |work=United States Census Bureau International Database |date=2 November 2011 |accessdate= 2011-11-02 }}</ref>

<ref name=jg31_3_267>{{cite journal|last1=Pollack|first1=Henry N.|last2=Hurter|first2=Suzanne J.|last3=Johnson|first3=Jeffrey R.|title=Heat flow from the Earth's interior: Analysis of the global data set|journal=Reviews of Geophysics|volume=31|issue=3|pages=267–280|date=August 1993|doi=10.1029/93RG01249|bibcode=1993RvGeo..31..267P |url=http://www.agu.org/journals/ABS/1993/93RG01249.shtml}}</ref>

<ref name=christou_asher2011>{{cite arXiv |last1=Christou|first1=Apostolos A.|last2=Asher|first2=David J. |date=March 31, 2011 |title=A long-lived horseshoe companion to the Earth |eprint=1104.0036 |class=astro-ph.EP}} See table 2, p. 5.</ref>

<ref name=ucs>{{cite web |title=UCS Satellite Database |date=January 31, 2011 |work=Nuclear Weapons & Global Security |publisher=Union of Concerned Scientists |url=http://www.ucsusa.org/nuclear_weapons_and_global_security/space_weapons/technical_issues/ucs-satellite-database.html |accessdate=2011-05-12 }}</ref>

<ref name=Connors>{{cite journal |last1=Connors |first1=Martin |last2=Wiegert |first2=Paul |last3=Veillet |first3=Christian |title=Earth's Trojan asteroid |date=July 27, 2011 |journal=[[Nature (journal)|Nature]] |volume=475 |pages=481–483 |url=http://www.nature.com/nature/journal/v475/n7357/full/nature10233.html |doi=10.1038/nature10233 |accessdate=2011-07-27 |issue=7357|bibcode = 2011Natur.475..481C |pmid=21796207}}</ref>

<ref name=Choi>{{cite web |last1=Choi |first1=Charles Q. |title=First Asteroid Companion of Earth Discovered at Last |url=http://www.space.com/12443-earth-asteroid-companion-discovered-2010-tk7.html |date=July 27, 2011 |publisher=[[Space.com]] |accessdate=2011-07-27 }}</ref>

<ref name=walsh2008>{{cite book |first1=Patrick J. |last=Walsh |title=Oceans and human health: risks and remedies from the seas |page=212 |editors=Sharon L. Smith, Lora E. Fleming |publisher=Academic Press, 2008 |isbn=0-12-372584-4 |url=http://books.google.com/books?id=c6J5hlcjFaAC&pg=PA212 |date=1997-05-16 }}</ref>

|first1 = B. L., II

|last1 = Turner

|title = The Earth As Transformed by Human Action: Global And Regional Changes in the Biosphere Over the Past 300 Years

|publisher = CUP Archive

|page = 164

|year = 1990

|isbn = 0521363578

|url = http://books.google.com/books?id=7GI0AAAAIAAJ&pg=PA164

|postscript= .

|first1 = Eric F.

|last1 = Lambina

|first2 = Patrick

|last2 = Meyfroidt

|title = Global land use change, economic globalization, and the looming land scarcity

|work = Proceedings of the National Academy of Sciences of the United States of America

|publisher = National Academy of Sciences

|pages = 3465–3472

|volume = 108

|issue = 9

|date = March 1, 2011

|url = http://www.pnas.org/content/108/9/3465.full.pdf

|accessdate= 2013-04-2013

|bibcode = 2011PNAS..108.3465L |doi = 10.1073/pnas.1100480108 }} See Table 1.</ref>

|first=Neil F. |last=Comins

|year=2001

|title=Discovering the Essential Universe

|edition=2nd

|publisher=W. H. Freeman

|bibcode=2003deu..book.....C

|isbn=0-7167-5804-0}}