|
|
|天體舉隅
|}
'''天體''',凡[[可觀測宇宙|、可觀測之宇宙]]中,既經見[[科學|格致]]所證實,確知其所存在者,或[[實體|物體]]、或結構,皆可咸得以謂之'''天體'''<ref>{{cite web |title=Naming Astronomical Objects |url=http://www.iau.org/public/naming/ |author=Task Group on Astronomical Designations from IAU Commission 5 |date=2008-04|publisher=International Astronomical Union (IAU) |accessdate=2010-07-04| archiveurl= https://web.archive.org/web/20100802140541/http://www.iau.org/public/naming/#minorplanets | archivedate=2010-08-02<!--DASHBot-->| deadurl= no}}</ref>。
天體分是總數類。一者,星體或[[類星體]]。若[[恆星]]、[[行星]]、[[彗星]]然,連結緊遘整緻密,團結不散。一者謂之結構,如[[星團]]、[[星系]],聯繫疏散。是結構也者,或包含合星體,或復有愈小結構焉。
==引據==
|