Consider the following statements 1 Nebular Hypothesis proposed by German philosopher Immanuel Kant ...........

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Consider the following statements:

1. Nebular Hypothesis proposed by German philosopher Immanuel Kant and revised by Laplace in 1796.

2. According to this Hypothesis sun was considered young and slowly rotating.

Which of the statements given above is/are correct?

1 only

2 only

Both 1 and 2

Neither 1 Nor 2

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Explanation:

Nebular Hypothesis:
• Proposed by German philosopher Immanuel Kant and revised by Laplace in 1796.
• Sun was considered young and slowly rotating. Planets were believed to be formed out of a cloud like material associated with Sun.
• In 1950, Otto Schmidt of Russia and Carl Weizascar of Germany revised Nebular Hypothesis. They believed dust like ‘solar nebula’ with heavy helium and hydrogen surrounds the sun. Disk shaped cloud was created by friction of particles in Solar nebula. The planets were formed due to accretion process.