- The Deuterium to Hydrogen Abundance Ratio toward a Fourth QSO: HS 0105+1619
2000/11/30 by John M. O'Meara, John M. O’Meara, David Tytler +7 · 339 citations
Chemistry · Physics and Astronomy · #Analytical Chemistry (journal) #Astrophysics #Atomic physics #Baryon #Chemistry #Cosmology and Gravitation Theories #Density ratio #Deuterium #Galaxy #Hydrogen #Intergalactic medium #Ion #Ionization #Lyman limit #Metallicity #Physics #Redshift #Scientific Research and Discoveries #Stellar, planetary, and galactic studies #astro-ph