سحابة هيلز (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "سحابة هيلز" in Arabic language version.

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Bailey، M. E.؛ Stagg، C. R. (1988). "Cratering constraints on the inner Oort cloud : Steady-state models". Monthly Notices of the Royal Astronomical Society. ج. 235: 1–32. Bibcode:1988MNRAS.235....1B. DOI:10.1093/mnras/235.1.1.
J. A. Fernandez (سبتمبر 1997). "The Formation of the Oort Cloud and the Primitive Galactic Environment". Icarus. ج. 129 رقم 1. ص. 106–119. Bibcode:1997Icar..129..106F. DOI:10.1006/icar.1997.5754.
P. R. Weissman؛ H. F. Levison (أكتوبر 1997). "Origin and Evolution of the Unusual Object 1996 PW: Asteroids from the Oort Cloud?". Astrophysical Journal Letters. ج. 488. ص. L133. Bibcode:1997ApJ...488L.133W. DOI:10.1086/310940.

Jan Oort (1950). "The Structure of the Cloud of Comets Surrounding the Solar System and a Hypothesis Concerning its Origin". Bull. Astron. Inst. Neth. ج. 11: 91–110. Bibcode:1950BAN....11...91O.
Bailey، M. E.؛ Stagg، C. R. (1988). "Cratering constraints on the inner Oort cloud : Steady-state models". Monthly Notices of the Royal Astronomical Society. ج. 235: 1–32. Bibcode:1988MNRAS.235....1B. DOI:10.1093/mnras/235.1.1.
J. A. Fernandez (سبتمبر 1997). "The Formation of the Oort Cloud and the Primitive Galactic Environment". Icarus. ج. 129 رقم 1. ص. 106–119. Bibcode:1997Icar..129..106F. DOI:10.1006/icar.1997.5754.
P. R. Weissman؛ H. F. Levison (أكتوبر 1997). "Origin and Evolution of the Unusual Object 1996 PW: Asteroids from the Oort Cloud?". Astrophysical Journal Letters. ج. 488. ص. L133. Bibcode:1997ApJ...488L.133W. DOI:10.1086/310940.

Matt Williams (10 أغسطس 2015). "What is the Oort Cloud?". Universe Today. اطلع عليه بتاريخ 2016-02-20.

Dave E. Matson (مايو 2012). "Young Earth Evidence – Short-period Comets". Young Earth Creationism.