Question: Who developed the modern model of the solar nebular disk instability model?
qaPairs: question: Who is thought to have developed the modern model of the solar nebular disk instability model?
answer: Soviet astronomer Victor Safronov
Victor Safronov
question: Which geologist developed a planetesimal hypothesis that was a precursor to the modern model of the solar nebular disk?
answer: Thomas Chrowder Chamberlin
question: Which astronomer developed a planetesimal hypothesis in 1905 that was a precursor to the modern model of the solar nebular disk?
answer: Forest Ray Moulton