Item:Q4703: Difference between revisions

Created a new Item: galaxy group, structure made up of a gravitationally-bound aggregation of about 50 or fewer galaxies; is smaller than a galaxy cluster
 
 
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Property / instance of
 
Property / instance of: astronomical object type / rank
 
Normal rank
Property / subclass of
 
Property / subclass of: galaxy group or cluster / rank
 
Normal rank