Direct adoption of the Greek concept by Islam: Ragep, F Recent measurements from satellites suggest that the Earth is, in fact, slightly pear-shaped
Teaching Mathematics and Its Applications

شكل الأرض و أبعادها

Pingree: "History of Mathematical Astronomy in India", Dictionary of Scientific Biography, Vol.

20
شكل الأرض و أبعادها
, Livesey, Steven John, Wallis, Faith eds
كروية الأرض
Lenn Evan Goodman 1992 , Avicenna, p
يضع الطلبة علامة (صح) وعلامة (خطأ) فيما يأتي شكل الأرض كامل الاستدارة
1 "On the mensuration of the Earth and its division into seven climes, as related by Ptolemy and others," ff
James Evans, 1998 , The History and Practice of Ancient Astronomy, page 47, Oxford University Press• : Encyclopaedia of Islam, THREE, Brill 2010, without page numbers• : "Medieval Science, Technology, and Medicine: An Encyclopedia", Routledge, New York 2005, , p Whitegishm MT, USA: Kessinger Publishing
Measuring the Universe: Cosmic Dimensions from Aristarchus to Halley Direct adoption by India: D

أجيب ب نعم أو لا شكل الأرض كامل الاستدارة

Hugh Thurston, Early Astronomy, New York: Springer-Verlag , p.

12
شكل الأرض و أبعادها
See figure of the Earth and Earth radius for details
كروية الأرض
"A History of Ancient Mathematical Astronomy"
كروية الأرض
"When Our Round Earth Was First Measured"