According to Our Theory of Solar System Formation, Why Do

question 48

Multiple Choice

According to our theory of solar system formation, why do all the planets orbit the Sun in the same direction and in nearly the same plane?

• A)The original solar nebula happened to be disk- shaped by chance.
• B)The laws of conservation of energy and conservation of angular momentum ensure that any rotating, collapsing cloud will end up as a spinning disk.
• C)The Sun formed first, and as it grew in size it spread into a disk, rather like the way a ball of dough can be flattened into a pizza by spinning it.
• D)Any planets that once orbited in the opposite direction or a different plane were ejected from the solar system.
• E)Luck explains it, as we would expect that most other solar systems would not have all their planets orbiting in such a pattern.

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Definitions:

Asset Increase

An increase in the total value of assets owned by a company, which can occur due to acquisitions, improvements, or valuation increases.

Corresponding Decrease

A decrease in one variable or metric that occurs in response to an increase in another variable.

Liability

A financial obligation or debt that an entity is required to pay to another entity.

Change In Accounting Principle

An adjustment in the way a company recognizes, measures, presents, or discloses financial information due to a change in accounting policy.