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Invention or discovery · Astronomy
NGC 639
September 27, 1834Date
John Frederick William HerschelInventor or discoverer
astronomical radio sourceType
AstronomyField
Facts
- Date
- September 27, 1834
- Inventor or discoverer
- John Frederick William Herschel
- Type
- astronomical radio source
- Field
- Astronomy
- Century
- 19th century
Sources: Wikidata (CC0) · Wikidata Q1037828