Star Cluster
The nearest globular cluster to the Sun, loosely concentrated enough that even a small telescope resolves its individual stars.
| Type | Star Cluster |
|---|---|
| Cluster type | Globular |
| Distance from Earth | 6,030 ly |
| Diameter | 662,300,000,000,000 km |
| Mass | 1.67 × 10^35 kg |
| Apparent magnitude | 5.6 |
| Redshift | 0 |
| Discovered | 1745 |
At 662,300,000,000,000 km across, Messier 4 is 51,977,711,505 times the diameter of Earth.
Its mass is 84,012 times the mass of the Sun.
The light reaching us from Messier 4 tonight left it around 6,033 years ago.
It has been on record since 1745.
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