Rujukan Putaran_Bumi

  1. 1 2 Jean Meeus, Mathematical astronomy morsels (Richmond, Virginia: Willmann-Bell, 1997) 345–6.
  2. ↑ Equation of time in red and true solar day in blue
  3. ↑ The duration of the true solar day
  4. ↑ http://hpiers.obspm.fr/eoppc/eop/eopc04_05/eopc04.62-now
  5. ↑ Physical basis of leap seconds
  6. ↑ Leap seconds
  7. ↑ Prediction of Universal Time and LOD Variations
  8. ↑ R. Hide et al., "Topographic core-mantle coupling and fluctuations in the Earth's rotation" 1993.
  9. ↑ Leap seconds by USNO
  10. 1 2 3 4 IERS EOP Useful constants
  11. ↑ Aoki, et al., "The new definition of Universal Time", Astronomy and Astrophysics 105 (1982) 359–361.
  12. ↑ Explanatory Supplement to the Astronomical Almanac, ed. P. Kenneth Seidelmann, Mill Valley, Cal., University Science Books, 1992, p.48, ISBN 0-935702-68-7.
  13. ↑ Aryabhatiya Bahasa Marathi: आर्यभटीय, Mohan Apte, Pune, India, Rajhans Publications, 2009, p.25, ISBN 978-81-7434-480-9
  14. ↑ IERS Excess of the duration of the day to 86,400s … since 1623 Graph at end.
  15. ↑ IERS Variations in the duration of the day 1962–2005
  16. ↑ Arthur N. Cox, ed., Allen's Astrophysical Quantities p.244.
  17. ↑ Michael E. Bakich, The Cambridge planetary handbook, ms.50.
  18. ↑ Butterworth and Palmer. "Speed of the turning of the Earth". Ask an Astrophysicist. NASA Goddard Spaceflight Center. 
  19. ↑ "Why do planets rotate?". Ask an Astronomer. 
  20. ↑ Scientific wonders on the space and earth by Yusuff Al-Hajj Ahmad

Rujukan

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