The Ring Nebula Is a Planetary Nebula That Currently Has

question 46

Multiple Choice

The Ring Nebula is a planetary nebula that currently has a radius of 1.2 * 10¹³ km and an expansion velocity of 250 km/s. Approximately how long ago did its parent star die and eject its outer layers?

• A) 1,500 years ago
• B) 3,200 years ago
• C) 5,400 years ago
• D) 8,000 years ago
• E) 28,000 years ago

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Definitions:

Restated

The revision and publication of previously issued financial statements to correct errors or to adjust for changes in accounting policies.

Comprehensive Income

Comprehensive income is the change in equity (net assets) of a business enterprise during a period from transactions and other events and circumstances from non-owner sources, including all non-owner changes in equity not resulting from investments by owners and distributions to owners.

Noncumulative Preferred Stock

A type of preferred stock where dividend payments are not accrued if they are not declared by the company's board in a particular period.

Earnings Per Share

A financial metric used to measure the profitability of a company, calculated by dividing net income by the number of outstanding shares.