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- Nebulium abstract "Nebulium was a proposed element found in a nebula by William Huggins in 1864. The strong green emission lines of the Cat's Eye Nebula, discovered using spectroscopy, led to the postulation that an as yet unknown element was responsible for this emission. In 1927, Ira Sprague Bowen showed that the lines are emitted by doubly ionized oxygen (O2+), and no new element was necessary to explain them.".
- Nebulium thumbnail NGC6543.jpg?width=300.
- Nebulium wikiPageID "1074535".
- Nebulium wikiPageRevisionID "600463224".
- Nebulium hasPhotoCollection Nebulium.
- Nebulium subject Category:Misidentified_chemical_elements.
- Nebulium subject Category:Nebulae.
- Nebulium subject Category:Oxygen.
- Nebulium type Abstraction100002137.
- Nebulium type Chemical114806838.
- Nebulium type ChemicalElement114622893.
- Nebulium type Compound114818238.
- Nebulium type Formulation114873641.
- Nebulium type Material114580897.
- Nebulium type Matter100020827.
- Nebulium type MisidentifiedChemicalElements.
- Nebulium type Nebula114960606.
- Nebulium type Nebulae.
- Nebulium type Part113809207.
- Nebulium type PhysicalEntity100001930.
- Nebulium type Relation100031921.
- Nebulium type Substance100019613.
- Nebulium comment "Nebulium was a proposed element found in a nebula by William Huggins in 1864. The strong green emission lines of the Cat's Eye Nebula, discovered using spectroscopy, led to the postulation that an as yet unknown element was responsible for this emission. In 1927, Ira Sprague Bowen showed that the lines are emitted by doubly ionized oxygen (O2+), and no new element was necessary to explain them.".
- Nebulium label "(气云)".
- Nebulium label "Nebulium".
- Nebulium label "Nebulium".
- Nebulium label "Nebulium".
- Nebulium label "Nébulium".
- Nebulium label "Небулий".
- Nebulium sameAs Nebulium.
- Nebulium sameAs Nébulium.
- Nebulium sameAs Nebulium.
- Nebulium sameAs m.09v69pt.
- Nebulium sameAs Q307030.
- Nebulium sameAs Q307030.
- Nebulium sameAs Nebulium.
- Nebulium wasDerivedFrom Nebulium?oldid=600463224.
- Nebulium depiction NGC6543.jpg.
- Nebulium isPrimaryTopicOf Nebulium.
