List of Cosmologists - G

G

• George Gamow (1904–1968) argued that observed proportions of hydrogen and helium in the universe could be explained by the big bang model, modeled the mass and radius of primordial galaxies
• Margaret J. Geller discovered the Great Wall, a superstructure-scale filament of galaxies
• Thomas Gold (1920–2004) proposed the steady-state theory
• Gerson Goldhaber (1924–) used supernova observations to measure the energy density of the universe
• J. Richard Gott (1947–) proposed the use of cosmic strings for time travel
• Alan Guth (1947–) explained the isotropy of the universe by theorizing a phase of exponential inflation soon after the big bang