antique Constellation star map circa 1900s by theStoryOfVintage
600 years old Astronomical Clock II, Prague, Czech Republic • Dennis Barloga
Fiche exposés : Quatres grands astronomes
2017 Astronomical Events Check out our calendar of some of 2017's astronomical events for sky watchers. Most of these natural occurrences can be observed with the naked eye but use a pair of binoculars or a telescope for best viewing.