Chapter 32, Problem 1TE

According to nebular theory, what happens to a nebula as it contracts under the force of gravity?

To determine

The effect to a nebula when it contracts under the force of gravity?

Answer to Problem 1TE

When nebula contract under the force of gravity it spins faster and continuous spinning makes it flattens out into solar system.

Explanation of Solution

According to the nebular theory, it is proposed that the solar system is made by the cloud of gas and dust. These clouds are very large with a diameter of a billion kilometre, which is a thousand times larger than the diameter of Neptune.

These clouds collide because of the effect of gravity. This collapse began slowly, but as the particle come closer to each other, the effect of gravity increases and this process accelerate. The gravitational force causes a nebula to contract, as gravity force increases, it took the shape of a sphere. As the nebula contract, it spins faster, with its continuous spinning motion it becames flattened.

Conclusion:

Therefore, when nebula contract under the force of gravity it spins faster and continuous spinning makes it flattens out into solar system.