Solar Nebula Theory

The Big Bang

What is the Solar Nebula Theory?

Stars form in massive, dense clouds of molecular hydrogen called giant molecular clouds(GMC). These clouds are gravitationally unstable, and matter coalesces into smaller, denser clumps inside. These clouds collapse and form stars. This can give birth to planets under the right circumstances, which are not fully understood. So, the formation of planetary systems is thought to be a natural result of star formation. The process is thought to take at least 100 million years.
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Who Developed the Theory?

This nebular hypothesis was first developed in the 18th century by Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace.
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