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physical object > natural object > celestial body > collection of stars > star cluster > globular cluster > class V globular cluster > M 30
Next class V globular clusterM 5    Upclass V globular cluster, Messier object    Previous class V globular clusterM 13   

M 30 comparison table
Subject has purpose has reference has location has orbit is part of has spectra is a kind of has catalog has number of star has velocity is an instance of has diameter has synonym has discovery date has mass has image has definition has distance has discoverer has age has Messier number
class V globular cluster  most are in the halo some are members of the thick diskelongated, around the galactic centerhalolow abundances of heavy elementsglobular clusterglobular cluster catalog105 to 106very high about 100 light-years  104 to 106 Msun    oldest stellar formation in the Galaxy 
Messier objectoriginally to catalog all objects which could be confused with a comet or center of gravity celestial sphere celestial bodyMessier catalog        an object assigned a number by Charles Messierfrom Earth   
M 30originally to catalog all objects which could be confused with a cometNED, SIMBADmost are in the halo some are members of the thick diskelongated, around the galactic centerhalolow abundances of heavy elements Messier catalog105 to 106very highMessier objectabout 100 light-yearsNGC 70991764104 to 106 Msun from EarthCharles Messieroldest stellar formation in the Galaxy30

Next class V globular clusterM 5    Upclass V globular cluster, Messier object    Previous class V globular clusterM 13