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Wikipedia Minangkabau - Lubuak aka tapian ilimu
Bumi👁 🜨
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"Pualam Biru" foto bumi,
diambiak dari Apollo 17
Panamoan
Pangucapan /en-us-earth.oggˈɜrθ/
Istilah earthly, tellurian, telluric, terran, terrestrial.
Jangka wakatu J2000.0[note 1]
Aphelion152,098,232km
1.01671388AU[note 2]
Perihelion 147,098,290km
0.98329134AU[note 2]
Sumbu semi-mayor 149,598,261km
1.00000261AU[1]
Eksentrisitas 0.01671123[1]
Periode orbit 365.256363004days[2]
1.000017421tahun
Kacapatan orbitrato-rato 29.78km/s[3]
107,200km/h
Anomali rato-rato 357.51716°[3]
Inklinasi 7.155° dari equator Matohari
1.57869°[4] to invariable plane
Bujuanode manaiak 348.73936°[3][note 3]
Argumen perihelion 114.20783°[3][note 4]
Satelit 1 natural(Bulan)
8,300+ artificial (pada 1 Maret 2001(2001-03-01)[update] )[5]
Karakteristik fisik
Jari-jari
rato-rato		 6,371.0km[6]
Jari-jari
ekuator		 6,378.1km[7][8]
Radius kutub 6,356.8km[9]
Kapapatan 0.0033528[10]
Kaliliang 40,075.017km(equatorial)[8]
40,007.86km(meridional)[11]
Laweh pamukoan 510,072,000km2[12][13][note 5]

148,940,000 km2 land (29.2%)

361,132,000 km2 water (70.8%)
Volume 1.08321×1012km3[3]
Masso 5.9736×1024kg[3]
Masso jenis
rato-rato		 5.515g/cm3[3]
Gravitasi pamukoanekuator9.780327 m/s2[14]
0.99732g
Kacapatan palapehan11.186km/s[3]
Hari sideris 0.99726968d[15]
23h56m4.100s
Kacapatan rotasi 1,674.4km/h (465.1m/s)[16]
Kamiriangan sumbu 23°26'21".4119[2]
Albedo0.367 (geometric)[3]
0.306 (Bond)[3]
Suhu pamukoan
Kelvin
Celsius
minrato-ratomax
184K[17]287.2K[18]331K[19]
-89.2°C14°C57.8°C
Atmosfir
Takanan pamukoan 101.325kPa (MSL)
Komposisi 78.08%Nitrogen (N2)[3]
20.95%oxygen (O2)
0.93%Argon
0.038%Karbon diosida
About 1% water vapor (varies with Klimak)
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Bumi adolah planet katigo dari matohari, dan marupoan planet nan tapadek jo gadang nan ka limo dari salapan planet di tata surya. Inyo ko juo tamasuak paliang gadang dari nan ampek buah planet terrestrial. Bumi ko dirujuak juo sabagai dunia, planet biru,[20] atau namo latinnyo, Terra.[note 6]

Bumi ko rumah bagi jutaan spesies, tamasuak manusia, bumi kini ko manjadi satu-satunyo benda astronomi nan di situ ado kehidupan.[21] Planet ko tabantuak 4.54 billion taun lalu, dan kehidupan muncul di permukaan bumi sekitar satu billion taun.[22] Adonyo biosfir di bumi nan signifikan maubah atmosfir dan kondisi abiotik lainnyo di bumi, mamungkinkan proliferasi organisme aerobik sarato pambentukan lapisan ozon, basamo jo medan magnet bumi, mahalangi radiasi matohari, sahinggo mamungkinkan adonyo kehidupan di darek.[23] Sacaro geofisik bumi, misalnyo sajarah geologi dan orbit, mamungkinkan kehidupan lah batahan salamo periode ko. Planet ko dihrapakan dapek taruih batahan untuak mandukuang kehidupan satidaknyo sampai 500 milyar taun lai.[24][25]

Urang cadiak pandai kini lah mampu marekonstruksi ulang maklumat rinci tantang maso lalu planet ko. Penanggalan awal tabantuaknyo sistem surya ko 4.5672 ± 0.0006 billion taun lalu,[26] atau 4.54billiontahun lalu (1% indak pasti)[22] the Earth and the other planets in the Solar System had formed out of the solar nebula—a disk-shaped mass of dust and gas left over from the formation of the Sun. This assembly of the Earth through accretion was thus largely completed within 10–20millionyears.[27] Initially molten, the outer layer of the planet Earth cooled to form a solid crust when water began accumulating in the atmosphere. The Moon formed shortly thereafter, 4.53 billion years ago.[28]

  1. ↑ All astronomical quantities vary, both secularly and periodically. The quantities given are the values at the instant J2000.0 of the secular variation, ignoring all periodic variations.
  2. 1 2 aphelion = a × (1 + e); perihelion = a × (1 - e), where a is the semi-major axis and e is the eccentricity.
  3. ↑ The reference lists the longitude of the ascending node as -11.26064°, which is equivalent to 348.73936° by the fact that any angle is equal to itself plus 360°.
  4. ↑ The reference lists the longitude of perihelion, which is the sum of the longitude of the ascending node and the argument of perihelion. That is, 114.20783° + (-11.26064°) = 102.94719°.
  5. ↑ Due to natural fluctuations, ambiguities surrounding ice shelves, and mapping conventions for vertical datums, exact values for land and ocean coverage are not meaningful. Based on data from the Vector Map and Global Landcover Archived 2015-03-26 di Wayback Machine. datasets, extreme values for coverage of lakes and streams are 0.6% and 1.0% of the Earth's surface. The ice shields of Antarctica and Greenland are counted as land, even though much of the rock which supports them lies below sea level.
  6. ↑ By International Astronomical Union convention, the term terra is used only for naming extensive land masses on celestial bodies other than the Earth. Cf. Blue, Jennifer (2007-07-05). "Descriptor Terms (Feature Types)". Gazetteer of Planetary Nomenclature. USGS. Diakses tanggal 2007-07-05.
  1. 1 2 Standish, E. Myles; Williams, James C. "Orbital Ephemerides of the Sun, Moon, and Planets" (PDF). International Astronomical Union Commission 4: (Ephemerides). Diarsipkan dari versi asli (PDF) tanggal 2012-02-20. Diakses tanggal 2010-04-03.Pemeliharaan CS1: Banyak nama: authors list (link) See table 8.10.2. Calculation based upon 1 AU = 149,597,870,700(3) m.
  2. 1 2 Staff (2007-08-07). "Useful Constants". International Earth Rotation and Reference Systems Service. Diakses tanggal 2008-09-23.
  3. 1 2 3 4 5 6 7 8 9 10 11 Williams, David R. (2004-09-01). "Earth Fact Sheet". NASA. Diarsipkan dari versi asli tanggal 2013-05-08. Diakses tanggal 2010-08-09.
  4. ↑ Allen, Clabon Walter; Cox, Arthur N.(2000).Allen's Astrophysical Quantities.Springer.p.294.ISBN 0-387-98746-0.http://books.google.com/?id=w8PK2XFLLH8C&pg=PA294.Diakses pado 13 Maret 2011.
  5. ↑ US Space Command (March 1, 2001). "Reentry Assessment - US Space Command Fact Sheet". SpaceRef Interactive. Diakses tanggal 2011-05-07.[pranala nonaktif permanen]
  6. ↑ Various(2000).David R. Lide.ed.Handbook of Chemistry and Physics(edisi ke-81st).CRC.ISBN 0-8493-0481-4.
  7. ↑ "Selected Astronomical Constants, 2011". The Astronomical Almanac. Diarsipkan dari versi asli tanggal 2013-08-26. Diakses tanggal 2011-02-25.
  8. 1 2 World Geodetic System (WGS-84). Available online from National Geospatial-Intelligence Agency.
  9. ↑ Cazenave,Anny(1995)."Geoid, Topography and Distribution of Landforms".di dalamAhrens, Thomas J(PDF).Global earth physics a handbook of physical constants.Washington, DC:American Geophysical Union.ISBN 0-87590-851-9.http://www.agu.org/reference/gephys/5_cazenave.pdf.Diakses pado 3 Agustus 2008.
  10. ↑ IERS Working Groups(2003)."General Definitions and Numerical Standards".di dalamMcCarthy, Dennis D.; Petit, Gérard.IERS Technical Note No. 32.U.S. Naval Observatory and Bureau International des Poids et Mesures.Diarsipandari nan aslipada 19 April 2014.https://web.archive.org/web/20140419043412/http://www.iers.org/MainDisp.csl?pid=46-25776.Diakses pado 3 Agustus 2008.
  11. ↑ Humerfelt, Sigurd (October 26, 2010). "How WGS 84 defines Earth". Diakses tanggal 2011-04-29.
  12. ↑ Pidwirny, Michael (2006-02-02). "Surface area of our planet covered by oceans and continents.(Table 8o-1)". University of British Columbia, Okanagan. Diakses tanggal 2007-11-26.
  13. ↑ Staff (2008-07-24). "World". The World Factbook. Central Intelligence Agency. Diarsipkan dari versi asli tanggal 2010-01-05. Diakses tanggal 2008-08-05.
  14. ↑ Yoder,Charles F.(1995).T. J. Ahrens.ed.Global Earth Physics: A Handbook of Physical Constants.Washington:American Geophysical Union.p.12.ISBN 0-87590-851-9.http://www.agu.org/reference/gephys.html.Diakses pado 17 Maret 2007.
  15. ↑ Allen, Clabon Walter; Cox, Arthur N.(2000).Allen's Astrophysical Quantities.Springer.p.296.ISBN 0-387-98746-0.http://books.google.com/?id=w8PK2XFLLH8C&pg=PA296.Diakses pado 17 Agustus 2010.
  16. ↑ Arthur N. Cox, ed(2000).Allen's Astrophysical Quantities(edisi ke-4th).New York:AIP Press.p.244.ISBN 0-387-98746-0.http://books.google.com/?id=w8PK2XFLLH8C&pg=PA244.Diakses pado 17 Agustus 2010.
  17. ↑ "World: Lowest Temperature". WMO Weather and Climate Extremes Archive. Arizona State University. Diarsipkan dari versi asli tanggal 2010-06-16. Diakses tanggal 2010-08-07.
  18. ↑ Kinver, Mark (December 10, 2009). "Global average temperature may hit record level in 2010". BBC Online. Diakses tanggal 2010-04-22.
  19. ↑ "World: Highest Temperature". WMO Weather and Climate Extremes Archive. Arizona State University. Diarsipkan dari versi asli tanggal 2013-01-04. Diakses tanggal 2010-08-07.
  20. ↑ Drinkwater, Mark; Kerr, Yann; Font, Jordi; Berger, Michael (February 2009). "Exploring the Water Cycle of the 'Blue Planet': The Soil Moisture and Ocean Salinity (SMOS) mission" (PDF). ESA Bulletin. European Space Agency (137): 6–15. A view of Earth, the ‘Blue Planet’ [...] When astronauts first went into the space, they looked back at our Earth for the first time, and called our home the ‘Blue Planet’.
  21. ↑ May, Robert M. (1988). "How many species are there on earth?". Science. 241 (4872): 1441–1449. Bibcode:1988Sci...241.1441M. doi:10.1126/science.241.4872.1441. PMID17790039.
  22. 1 2 See:
  23. ↑ Harrison,Roy M.(2002).Causes and Environmental Implications of Increased UV-B Radiation.Royal Society of Chemistry.ISBN 0-85404-265-2.
  24. ↑ Britt, Robert (2000-02-25). "Freeze, Fry or Dry: How Long Has the Earth Got?". Archived from the original on 2009-06-05. Diakses tanggal 2011-07-02.Pemeliharaan CS1: Url tak layak (link)
  25. ↑ Carrington, Damian (2000-02-21). "Date set for desert Earth". BBC News. Diakses tanggal 2007-03-31.
  26. ↑ Bowring, S. (1995). "The Earth's early evolution". Science. 269 (5230): 1535. Bibcode:1995Sci...269.1535B. doi:10.1126/science.7667634. PMID7667634. Parameter |coauthors= yang tidak diketahui mengabaikan (|author= yang disarankan) (bantuan)
  27. ↑ Yin, Qingzhu; Jacobsen, S. B.; Yamashita, K.; Blichert-Toft, J.; Télouk, P.; Albarède, F. (2002). "A short timescale for terrestrial planet formation from Hf-W chronometry of meteorites". Nature. 418 (6901): 949–952. Bibcode:2002Natur.418..949Y. doi:10.1038/nature00995. PMID12198540.
  28. ↑ Kleine, Thorsten; Palme, Herbert; Mezger, Klaus; Halliday, Alex N. (2005-11-24). "Hf-W Chronometry of Lunar Metals and the Age and Early Differentiation of the Moon". Science. 310 (5754): 1671–1674. Bibcode:2005Sci...310.1671K. doi:10.1126/science.1118842. PMID16308422.Pemeliharaan CS1: Banyak nama: authors list (link)

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