Main Page | See live article | Alphabetical index Messier object M5, also listed as NGC 5904 is a globular cluster in constellation Serpens. It contains more than 100,000 stars, of which more than 100 are known to be variable. It is 24,500 light years distant. External links M5,SEDS Messier pages The M5 motorway in England runs from Birmingham to Exeter. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.