Suppose That a Planetary Nebula Is 0

question 53

Multiple Choice

Suppose that a planetary nebula is 0.5 parsecs in diameter and expanding at 20 km/s.How old is it? (Hint: 1 pc = 3.1*10¹³ km.)

• A) 25,000 years
• B) 12,000 years
• C) 6,000 years
• D) 49,000 years
• E) 100,000 years

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Definitions:

Allowance For Doubtful Accounts

An account opposite to assets that predicts the amount of accounts receivable that might not be recoverable.

Allowance for Doubtful Accounts

An accounting provision made to account for customers' invoices that may not be collectible in the future.

Partial Balance Sheet

An abbreviated balance sheet that shows a snapshot of a company’s financial position at a specific point in time, focusing on specific items.

Current Assets

Assets that are expected to be converted into cash, sold, or consumed within a year.