What are the steps of nebular hypothesis?

Terms in this set (5)

• step one(4) -The solar nebula consisted of. -hydrogen,
• step two(2) -A disturbance.
• step three(2) -The solar nebula assumed a flat, disk shape.
• step four(2) -Inner planets began to form from metallic.
• step five(2) -Larger outer planets began forming from fragments.

What is the nebula hypothesis meant to explain?

The nebular hypothesis is the most widely accepted model in the field of cosmogony to explain the formation and evolution of the Solar System (as well as other planetary systems). It suggests the Solar System is formed from gas and dust orbiting the Sun.

How many stages are there in the nebular theory?

Nebular theory explains that the formation of solar systems comprehend six differentiated stages which are: Nebula stage, which includes collapse.

How was the solar system formed step by step?

Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud collapsed, possibly due to the shockwave of a nearby exploding star, called a supernova. When this dust cloud collapsed, it formed a solar nebula – a spinning, swirling disk of material.

What are the different hypothesis explaining the origin of the solar system?

These are the Nebular Hypothesis of Laplace, the Planetesimal Hypothesis of Chamberlin and Moulton, and the Capture Theory of See. Darwings theory of Tidal Friction is scarcely a distinct hypothesis, but is mentioned separately on account of its application to all of the others.

What is solar nebula explain the formation of nebular disk?

Solar nebula was the rotating gaseous cloud and dust that led to the formation of the sun and planets. The nebular disk was formed as a result of rotating gas and dust. It is explained that a giant cloud made of dust, gas and atoms called nebular floated in the galaxy.

What aspects of the solar system are explained by Laplace’s hypothesis of how the solar system formed?

Laplace theorized that the Sun originally had an extended hot atmosphere throughout the Solar System, and that this “protostar cloud” cooled and contracted. As the cloud spun more rapidly, it threw off material that eventually condensed to form the planets.

What is encounter hypothesis?

Encounter Hypothesis: One of the earliest theories for the formation of the planets was called the encounter hypothesis. In this scenario, a rogue star passes close to the Sun about 5 billion years ago. This material fragments into smaller lumps which form the planets.

What are the different hypotheses explaining the origin of the solar system?

Contemporary view. The most widely accepted hypothesis of planetary formation is known as the nebular hypothesis. This hypothesis posits that, 4.6 billion years ago, the Solar System was formed by the gravitational collapse of a giant molecular cloud spanning several light-years.

What are the steps of the nebular theory?

The Nebular theory goes like this: Step 1: The Nebula Collapses The force of gravity makes the nebula contract inward until it just collapses. Step 2: The Nebula Rotates Once the nebula has collapsed, it begins to spin. Due to centrifugal force, the nebula flattens out into a disc and widens.

How do you explain the nebular theory?

Nebular Hypothesis Originally there was a large, hot, gaseous nebula which rotated along its axis. As the gas lost energy by radiation, it became cooler. The cooling and contraction of Nebula continued and ultimately a stage came when the centrifugal force became greater than the gravitational attraction acting inward.

How do you describe the nebula hypothesis?

When it comes to the formation of our Solar System, the most widely accepted view is known as the Nebular Hypothesis. In essence, this theory states that the Sun, the planets, and all other objects in the Solar System formed from nebulous material billions of years ago.

What is Kant-Laplace nebular hypothesis?

In solar system: The Kant-Laplace nebular hypothesis Kant’s central idea was that the solar system began as a cloud of dispersed particles . He assumed that the mutual gravitational attractions of the particles caused them to start moving and colliding, at which point chemical forces kept them bonded together.

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