Drake, (1970, pp.191–196), Linton (2004, pp. 211–12), Sharratt (1994, p. 166). This is not true, however, for geocentric systems—such as that proposed by Longomontanus—in which the Earth rotated. In such systems the apparent motion of sunspots could be accounted for just as easily as in Copernicus's.
Paul Mainwood (9 August 2003). "Thought Experiments in Galileo and Newton's Mathematical Philosophy"(PDF). 7th Annual Oxford Philosophy Graduate Conference. 7th Annual Oxford Philosophy Graduate Conference. 2006年9月22日時点のオリジナル(PDF)よりアーカイブ。, quoting page xvii of Einstein's foreword in G. Galilei (1953). Dialogue Concerning the Two Chief World Systems. Translated by Stillman Drake. Berkeley and Los Angeles, CA: The University of California Press
Paul Mainwood (9 August 2003). "Thought Experiments in Galileo and Newton's Mathematical Philosophy"(PDF). 7th Annual Oxford Philosophy Graduate Conference. 7th Annual Oxford Philosophy Graduate Conference. 2006年9月22日時点のオリジナル(PDF)よりアーカイブ。, quoting page xvii of Einstein's foreword in G. Galilei (1953). Dialogue Concerning the Two Chief World Systems. Translated by Stillman Drake. Berkeley and Los Angeles, CA: The University of California Press
