Tham khảo Góc phần tư thiên hà

  1. 1 2 Thomas Wilson; Kristen Rohlfs; Susanne Huettemeister (2008), Tools of Radio Astronomy, Springer Science & Business Media, tr. 347, ISBN 978-3-540-85121-9Quản lý CS1: sử dụng tham số tác giả (liên kết)
  2. 1 2 Kiss, Cs; Moór, A; Tóth, L. V (2004). “Far-infrared loops in the 2nd Galactic Quadrant”. Astronomy & Astrophysics. 418: 131–141. arXiv:astro-ph/0401303. Bibcode:2004A&A...418..131K. doi:10.1051/0004-6361:20034530. S2CID 7825138.
  3. 1 2 M. Lampton et al. An All-Sky Catalog of Faint Extreme Ultraviolet Sources The Astrophysical Journal Supplement Series. 1997
  4. ↑ THE BEGINNINGS OF RADIO ASTRONOMY IN THE NETHERLANDS Lưu trữ 2010-09-19 tại Wayback Machine. Journal of Astronomical History and Heritage. 2006
  5. ↑ “Galactic Coordinates”. Thinkastronomy.com. Truy cập ngày 17 tháng 8 năm 2010.
  6. ↑ Michalowski, Piotr (2010), “masters of the Four Corners of the Heavens: Vies of the Universe in Early Mesopotamian Writings”, trong Raaflaub, Kurt A.; Talbert, Richard J. A. (biên tập), Geography and Ethnography: Perceptions of the World in Pre-Modern Societies, The ancient world: comparative histories, 3, John Wiley and Sons, tr. 147–168 [153], ISBN 978-1-4051-9146-3
  7. ↑ Okuda, Michael; Okuda, Denise; Mirek, Debbie (1999). The Star Trek Encyclopedia. Pocket Books. ISBN 978-0-671-53609-1.
  8. ↑ “Plan Views of the Milky Way Galaxy”. The Canadian Galactic Plane Survey. Ras.ucalgary.ca. Truy cập ngày 19 tháng 8 năm 2010.
  9. ↑ Segmentum, Warhammer 40k - Lexicanum

Tài liệu tham khảo

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