Category:Messier 21

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search
Messier 21 
M21a.jpg
Open cluster
Wikipedia-logo-v2.svg Wikipedia
Instance ofopen cluster
Constellation
Spectral class
Discoverer or inventor
Time of discovery or invention5 June 1764
Distance from Earth
  • 3,900 light-year
Authority control
SIMBAD ID: M 21
Wikidata
Blue pencil.svg

Pages in category "Messier 21"

This category contains only the following page.

Media in category "Messier 21"

The following 8 files are in this category, out of 8 total.