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| physical object > natural object > celestial body > collection of stars > star cluster > globular cluster > extragalactic globular cluster > G1 |
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| G1 comparison table | ||||
| Subject | is a kind of | is an instance of | has synonym | has image |
|---|---|---|---|---|
| extragalactic globular cluster | globular cluster | |||
| G1 | extragalactic globular cluster | Mayall II |  |