Antarctic Circle | references

References

  1. ^ "Obliquity of the Ecliptic (Eps Mean)". Neoprogrammics.com. Retrieved 2014-05-13.
  2. ^ Berger, A.L. (1976). "Obliquity and Precession for the Last 5000000 Years". Astronomy and Astrophysics. 51: 127–135. 1976A&A....51..127B.
  3. ^ Burn, Chris. The Polar Night (PDF). The Aurora Research Institute. Retrieved 28 September 2015.
  4. ^ NB: This refers to the true geometric centre which actually appears higher in the sky because of refraction by the atmosphere.
  5. ^ BBC website, accessed Jan 3, 2016
  6. ^ William M. Marsh; Martin M. Kaufman (2012). Physical Geography: Great Systems and Global Environments. Cambridge University Press. p. 24. ISBN 978-0-521-76428-5.
Other Languages
azərbaycanca: Cənub Qütb dairəsi
беларуская (тарашкевіца)‎: Паўднёвы палярны круг
贛語: 南極圈
한국어: 남극권
Bahasa Indonesia: Lingkar Antartik
Bahasa Melayu: Garisan Antartik
Nederlands: Zuidpoolcirkel
日本語: 南極圏
Simple English: Antarctic Circle
slovenščina: Južni tečajnik
српски / srpski: Јужни поларник
srpskohrvatski / српскохрватски: Antarktički krug
Tiếng Việt: Vòng Nam Cực
吴语: 南極圈
粵語: 南極圈
中文: 南極圈