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Invention or discovery · Astronomy
NGC 3991
February 5, 1864Date
Heinrich Louis d'ArrestInventor or discoverer
emission-line galaxyType
AstronomyField
Facts
- Date
- February 5, 1864
- Inventor or discoverer
- Heinrich Louis d'Arrest
- Type
- emission-line galaxy
- Field
- Astronomy
- Century
- 19th century
Sources: Wikidata (CC0) · Wikidata Q1108427