Tham khảo Hoàng đạo

  1. ↑ U.S. Naval Observatory Nautical Almanac Office, Nautical Almanac Office; U.K. Hydrographic Office, H.M. Nautical Almanac Office (2008). The Astronomical Almanac for the Year 2010. U.S. Govt. Printing Office. tr. M5. ISBN 978-0-7077-4082-9. 
  2. ↑ U.S. Naval Observatory Nautical Almanac Office (1992). P. Kenneth Seidelmann, biên tập. Explanatory Supplement to the Astronomical Almanac. University Science Books, Mill Valley, CA. ISBN 0-935702-68-7. , p. 11
  3. 1 2 3 Các hướng bắc và nam trên thiên cầu được định nghĩa hướng về phía bắc của thiên cực bắc và hướng về phía nam của thiên cực nam. Hướng đông là hướng cùng chiều quay của trục Trái Đất, và hướng tây là hướng ngược lại.
  4. ↑ Astronomical Almanac 2010, sec. C
  5. ↑ Explanatory Supplement (1992), sec. 1.233
  6. ↑ Explanatory Supplement (1992), p. 733
  7. ↑ Astronomical Almanac 2010, p. M2 and M6
  8. ↑ Explanatory Supplement (1992), sec. 1.322 and 3.21
  9. ↑ U.S. Naval Observatory Nautical Almanac Office; H.M. Nautical Almanac Office (1961). Explanatory Supplement to the Astronomical Ephemeris and the American Ephemeris and Nautical Almanac. H.M. Stationery Office, London. , sec. 2C
  10. ↑ Explanatory Supplement (1992), p. 731 and 737
  11. ↑ Chauvenet, William (1906). A Manual of Spherical and Practical Astronomy I. J.B. Lippincott Co., Philadelphia. , art. 365-367, p. 694-695, at Google books
  12. 1 2 Laskar, J. (1986). “Secular Terms of Classical Planetary Theories Using the Results of General Relativity”. , table 8, at SAO/NASA ADS
  13. ↑ Explanatory Supplement (1961), sec. 2B
  14. ↑ U.S. Naval Observatory, Nautical Almanac Office; H.M. Nautical Almanac Office (1989). The Astronomical Almanac for the Year 1990. U.S. Govt. Printing Office. ISBN 0-11-886934-5. , p. B18
  15. ↑ Astronomical Almanac 2010, p. B52
  16. ↑ Newcomb, Simon (1906). A Compendium of Spherical Astronomy. MacMillan Co., New York. , p. 226-227, at Google books
  17. ↑ Meeus, Jean (1991). Astronomical Algorithms. Willmann-Bell, Inc., Richmond, VA. ISBN 0-943396-35-2. , chap. 21
  18. ↑ Danby, J.M.A. (1988). Fundamentals of Celestial Mechanics. Willmann-Bell, Inc., Richmond, VA. ISBN 0-943396-20-4. , sec. 9.1
  19. ↑ Roy, A.E. (1988). Orbital Motion . Institute of Physics Publishing. ISBN 0-85274-229-0. , sec. 5.3
  20. ↑ Montenbruck, Oliver (1989). Practical Ephemeris Calculations. Springer-Verlag. ISBN 0-387-50704-3. , sec 1.4
  21. ↑ Explanatory Supplement (1961), sec. 2A
  22. ↑ Explanatory Supplement (1961), sec. 1G
  23. ↑ Dziobek, Otto (1892). Mathematical Theories of Planetary Motions. Register Publishing Co., Ann Arbor, Michigan. , p. 294, at Google books
  24. ↑ Astronomical Almanac 2010, p. E14
  25. ↑ Ball, Robert S. (1908). A Treatise on Spherical Astronomy. Cambridge University Press. tr. 83. , at Google books
  26. ↑ Meeus (1991), chap. 26
  27. ↑ Serviss, Garrett P. (1908). Astronomy With the Naked Eye. Harper & Brothers, New York and London. tr. 105, 106.  at Google books
  28. ↑ Bryant, Walter W. (1907). A History of Astronomy. tr. 3. 
  29. ↑ Bryant (1907), p. 4.
  30. ↑ See, for instance, Leo, Alan (1899). Astrology for All. tr. 8. 
  31. ↑ Vallado, David A. (2001). Fundamentals of Astrodynamics and Applications (ấn bản 2). El Segundo, CA: Microcosm Press. tr. 153. ISBN 1-881883-12-4. 

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