Star Cluster
One of the brightest globular clusters in the sky and one of only a few known to contain a planetary nebula.
| Type | Star Cluster |
|---|---|
| Cluster type | Globular |
| Distance from Earth | 10,600 ly |
| Diameter | 936,600,000,000,000 km |
| Mass | 5.77 × 10^35 kg |
| Apparent magnitude | 5.1 |
| Redshift | 0 |
| Discovered | 1665 |
At 936,600,000,000,000 km across, Sagittarius Cluster (M22) is 73,504,944,279 times the diameter of Earth.
Its mass is 289,995 times the mass of the Sun.
The light reaching us from Sagittarius Cluster (M22) tonight left it around 10,600 years ago.
It has been on record since 1665.
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