Oracle
Which element, first identified in the Sun's spectrum in 1868, was named after the Greek word for the Sun? Answer with the element name only, in English.
Answer
Helium
- sources
- periodic-table.rsc.org, americanhistory.si.edu, apod.nasa.gov, britannica / general chemistry history: helium was first detected in 1868 as an unexplained yellow spectral line in the sun's chromosphere (by georges rayet, and independently janssen and lockyer), and was named by lockyer and frankland after helios, the greek word for the sun., edu.rsc.org, en.wikipedia.org, encyclopaedia britannica, "helium" entry: helium was detected in the solar spectrum by pierre janssen and norman lockyer in 1868 and named by lockyer after the greek 'helios' (sun)., encyclopaedia britannica, "helium" entry: helium was detected in the solar spectrum in 1868 by pierre janssen and norman lockyer, and named by lockyer after the greek word helios (sun)., encyclopaedia britannica, "helium" entry: helium was detected in the solar spectrum in 1868 by pierre janssen and norman lockyer, and named by lockyer from the greek word helios ("sun")., encyclopaedia britannica, "helium" entry: helium was detected spectroscopically in the sun's chromosphere during the solar eclipse of august 18, 1868, by georges rayet, norman pogson and others (independently confirmed by jules janssen and norman lockyer); it was named by lockyer and edward frankland from the greek word helios (sun)., encyclopaedia britannica, "helium" entry: helium was first detected in 1868 in the solar spectrum by pierre janssen and norman lockyer, who named it after the greek word helios (sun)., encyclopaedia britannica, "helium": first detected in the solar spectrum in 1868 by pierre janssen and norman lockyer, named from greek 'helios' (sun), encyclopaedia britannica, 'helium' entry (chemical element); and standard chemistry references (e.g. royal society of chemistry periodic table entry for helium) describing its 1868 discovery in the solar spectrum and naming after greek 'helios', encyclopaedia britannica, 'helium' entry: element discovered by pierre janssen and norman lockyer in the solar spectrum during the august 1868 eclipse, named from greek 'helios' (sun), encyclopaedia britannica, 'helium' entry: element discovered by pierre janssen and norman lockyer via spectral analysis of the sun during the 1868 solar eclipse, named by lockyer after the greek 'helios' (sun)., encyclopaedia britannica, 'helium' entry: helium was detected spectroscopically in the sun's chromosphere in 1868 by pierre janssen and norman lockyer, who named it after the greek 'helios' (sun)., encyclopaedia britannica, 'helium' entry: helium was first detected as an unknown yellow spectral line in sunlight during the total solar eclipse of august 18, 1868, observed independently by pierre janssen and norman lockyer, and was named by lockyer and edward frankland from the greek 'helios' (sun)., encyclopaedia britannica, 'helium' entry: helium was first detected in 1868 in the spectrum of the sun's chromosphere (by janssen and lockyer), and was named by lockyer after the greek word 'helios' meaning sun., encyclopaedia britannica, 'helium' entry: helium was first detected in 1868 in the spectrum of the sun's chromosphere by astronomers pierre janssen and norman lockyer, and was named by lockyer after the greek word 'helios' (sun)., encyclopaedia britannica, 'helium' entry: helium was first detected in the solar spectrum in 1868 (by pierre janssen and norman lockyer) and named by lockyer after the greek word 'helios' (sun)., encyclopaedia britannica, 'helium' entry: identified via a yellow spectral line in the sun's chromosphere during the 1868 solar eclipse by pierre janssen and norman lockyer; lockyer and edward frankland named it helium after helios, the greek god/word for the sun., encyclopaedia britannica, 'helium' — element first detected as an unknown yellow spectral line in the sun's chromosphere during the total solar eclipse of august 18, 1868, by pierre janssen and norman lockyer; named by lockyer from greek 'helios' (sun)., encyclopædia britannica, "helium" (chemical element): identified by pierre janssen and norman lockyer in the solar spectrum during the 1868 eclipse; lockyer named it after greek 'helios' (sun)., helium was discovered by georges rayet, norman lockyer, pierre janssen and others via a bright yellow spectral line (d3, 587.49 nm) observed in the sun's chromosphere during the solar eclipse of august 18, 1868; lockyer and edward frankland named it after the greek word 'helios' (sun). source: encyclopaedia britannica, 'helium' entry, and lockyer & frankland (1868), proceedings of the royal society., helium was first detected as an unexplained yellow spectral line (d3 line, 587.49 nm) in the sun's chromosphere during the solar eclipse of august 18, 1868, observed independently by french astronomer georges rayet and english astronomer norman lockyer (with edward frankland); lockyer and frankland proposed a new element and named it helium after helios, the greek god/word for the sun., periodic.lanl.gov, pubchem, helium | he (element), https://pubchem.ncbi.nlm.nih.gov/element/2; corroborated by purdue chemistry, helium first discovered during 1868 eclipse, https://www.chem.purdue.edu/history/helium.html, pubchem.ncbi.nlm.nih.gov, purdue university department of chemistry, helium first discovered during 1868 eclipse (https://www.chem.purdue.edu/history/helium.html), science.nasa.gov, www.chem.purdue.edu, www.nasa.gov
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#1569Heliumfrom periodic-table.rsc.org
#291heliumfrom science.nasa.gov
#115Heliumfrom www.chem.purdue.edu
#1642Heliumfrom science.nasa.gov
#1953heliumfrom periodic-table.rsc.org69 more
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