n11215541
| type | n |
| lex_filenum | 18 |
| def | Dutch astronomer who proved that the galaxy is rotating and proposed the existence of the Oort cloud (1900-1992) |
| Outgoing links | |
| Instance Hypernym | astronomer, uranologist, stargazer |
| Incoming links | |
| Instance Hyponym | astronomer, uranologist, stargazer |
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