 See Geissler et al. (1998) in orbit section for evidence of non-synchronous orbit.↑ Bills, Bruce G. (2005). "Free and forced obliquities of the Galilean satellites of Jupiter". Icarus. 175: 233–247. doi:10.1016/j.icarus.2004.10.028.↑ 8.0 8.1 Yeomans, Donald K. (2006-07-13). "Planetary Satellite Physical Parameters". JPL Solar System Dynamics. සම්ප්‍රවේශය 2007-11-05.↑ McFadden, Lucy-Ann; Weissman, Paul; and Johnson, Torrence (2007). The Encyclopedia of the Solar System. Elsevier. p. 432. ISBN 0-12-226805-9.{{cite book}}:  CS1 maint: multiple names: authors list (link)↑ McGrath (2009). "Atmosphere of Europa". In Pappalardo, Robert T.; McKinnon, William B.; and Khurana, Krishan K. (ed.). Europa. University of Arizona Press. ISBN 0-816-52844-6.{{cite book}}:  CS1 maint: multiple names: editors list (link)vteසෞරග්‍රහ මණ්ඩලයසූර්යයාබුධසිකුරුපෘථිවියඅඟහරුසෙරස්බ්‍රහස්පතිසෙනසුරුයු‍රේනස්නෙප්චූන්ප්ලූටෝහවුමේයාමාකේමාකේඑරිස්ග්‍රහලෝකභූමිෂ්ඨ ග්‍රහලෝකබුධසිකුරුපෘථිවියඅඟහරු