10 Questions
Who revised Immanuel Kant's Nebular Hypothesis in 1796?
Carl Weizascar
According to the Nebular Hypothesis, what material was the solar nebula primarily composed of?
Hydrogen and Helium
Who proposed the Planetesimal Hypothesis in 1900?
Chamberlain and Moulton
What evidence did Edwin Hubble provide in the 1920s to support the Big Bang Theory?
Universe is expanding
What is another name for the Big Bang Theory?
Expanding Universe Hypothesis
What is the initial cause behind the formation of galaxies in the early universe?
Initial density differences in gravitational forces
How does a galaxy start to form according to the text?
By accumulation of hydrogen gas in the form of a large cloud
What is the primary factor that leads to the formation of stars within a nebula?
Gravitational force within the lumps
What is the process by which small-rounded objects develop into planetesimals?
Cohesion
What is the final stage in the formation of planets according to the text?
Accretion of planetesimals into fewer larger bodies
Explore the early theories surrounding the origin of Earth, including the Nebular Hypothesis proposed by Immanuel Kant and revised by Laplace, Otto Schmidt, and Carl Weizascar. Learn about the formation of planets from a cloud of material around a young sun.
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