Rujukan Galaksi pilin

  1. ↑ Hubble, E.P. (1936). The realm of the nebulae. Mrs. Hepsa Ely Silliman memorial lectures, 25. New Haven: Yale University Press. ISBN 9780300025002. OCLC 611263346. Diarkibkan daripada asal pada 2012-09-29. 
  2. ↑ D. Mihalas (1968). Galactic Astronomy. W. H. Freeman. ISBN 978-0-7167-0326-6. 
  3. ↑ "Hubble and Galaxy Zoo Find Bars and Baby Galaxies Don't Mix". Science Daily. 16 January 2014. 
  4. ↑ "Ripples in a Galactic Pond". Scientific American. October 2005. Diarkibkan daripada asal pada |archive-url= memerlukan |archive-date= (bantuan). 
  5. ↑ R. A. Benjamin; E. Churchwell; B. L. Babler; R. Indebetouw; M. R. Meade; B. A. Whitney; C. Watson; M. G. Wolfire; M. J. Wolff (September 2005). "First GLIMPSE Results on the Stellar Structure of the Galaxy". The Astrophysical Journal Letters. 630 (2): L149–L152. arXiv:astro-ph/0508325 . Bibcode:2005ApJ...630L.149B. doi:10.1086/491785. 
  6. ↑ Loveday, J. (February 1996). "The APM Bright Galaxy Catalogue". Monthly Notices of the Royal Astronomical Society. 278 (4): 1025–1048. arXiv:astro-ph/9603040 . Bibcode:1996MNRAS.278.1025L. doi:10.1093/mnras/278.4.1025. 
  7. ↑ Dressler, A. (March 1980). "Galaxy morphology in rich clusters — Implications for the formation and evolution of galaxies". The Astrophysical Journal. 236: 351–365. Bibcode:1980ApJ...236..351D. doi:10.1086/157753. 
  8. ↑ F. Shirley Patterson (1940), The Luminosity Gradient of Messier 33
  9. ↑ Gerard de Vaucouleurs (1957), Studies of the Magellanic Clouds. III. Surface brightness, colors and integrated magnitudes of the Clouds.
  10. ↑ Freeman, K. C. (1970). "On the Disks of Spiral and so Galaxies". Astrophysical Journal. 160: 811. Bibcode:1970ApJ...160..811F. doi:10.1086/150474. 
  11. ↑ Gerard de Vaucouleurs (1964), Tafsiran pengedaran halaju di dalam kawasan Galaxy
  12. ↑ Chen, W.; Gehrels, N.; Diehl, R.; Hartmann, D. (1996). "On the spiral arm interpretation of COMPTEL 26Al map features". Space Science Reviews. 120: 315–316. Bibcode:1996A&AS..120C.315C. 
  13. ↑ McKee, Maggie (August 16, 2005). "Bar at Milky Way's heart revealed". New Scientist. Dicapai 17 June 2009. 

Rujukan

WikiPedia: Galaksi pilin http://www.sciamdigital.com/index.cfm?fa=Products.... http://www.sixtysymbols.com/videos/spiral_galaxies... http://spiralzoom.com/Science/spiralgalaxies/Spira... http://burro.cwru.edu/Academics/Astr222/Galaxies/S... http://adsabs.harvard.edu/abs/1940BHarO.914....9P http://adsabs.harvard.edu/abs/1957AJ.....62...69D http://adsabs.harvard.edu/abs/1970ApJ...160..811F http://adsabs.harvard.edu/abs/1980ApJ...236..351D http://adsabs.harvard.edu/abs/1994PhRvD..50.2406G http://adsabs.harvard.edu/abs/1996A&AS..120C.315C