Nebulium was a proposed element found in astronomical observation of a nebula by William Huggins in 1864. The strong green emission lines of the Cat's...

1973) was an American physicist and astronomer. In 1927 he discovered that nebulium was not really a chemical element but instead doubly ionized oxygen. Bowen...

that time, they were thought to be due to a new element which was named nebulium. In 1927, Ira Sprague Bowen published the current explanation identifying...

technology megacorporation, came to power by their newfound invention of the Nebulium Engine, a remote perpetual energy device, allowing for the epoch of an...

hypothesized that the line might be due to an unknown element, which was named nebulium—a similar idea had led to the discovery of helium through analysis of the...

yet undiscovered elements. Coronium with an atomic weight of 0.51282, nebulium with a weight of 1.6281 and protofluorine with a weight of 2.361. Ira Sprague...

hypothesized that the line might be due to an unknown element, which was named nebulium. A similar idea had led to the discovery of helium through analysis of...

speculation that the lines were caused by a new element, and the name nebulium was coined for this mysterious material. With better understanding of atomic...

at 495.9 nm and 500.7 nm. These lines were attributed to a new element, nebulium, until Ira Bowen determined in 1927 that the emission lines were from highly...

what they were, and attributed them to a hypothetical new element called nebulium. However, the lines he observed were later found to be emitted by extremely...