If Interstellar Dust Obscures Astronomers' View of Distant Regions of Space

question 112

Multiple Choice

If interstellar dust obscures astronomers' view of distant regions of space at optical wavelengths, which of these statements is true?

• A) The obscuration is very clumpy and random over the whole sky; the individual absorbing dust clouds show no preference for one particular direction or plane.
• B) The obscuration is roughly uniform over the whole sky.
• C) The obscuration is the least in the plane of the Milky Way Galaxy and is strongest when one looks out into the galactic halo, at right angles in this plane.
• D) The obscuration is severe only in the plane of the Milky Way Galaxy.

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Definitions:

Adjusting Entries

Entries made in the general journal at the close of an accounting period to update the ledger accounts for any income or expenses incurred but not yet recorded.

Condensed Worksheet

A simplified financial statement that consolidates and presents a company’s financial status in a concise format.

Accounting Cycle

The series of steps followed by an organization to track and manage financial transactions, from the initial transaction to the closing of the books.

Special Journals

Special journals are accounting journals designed for recording specific types of transactions in a detailed manner, such as sales or purchases, to streamline the accounting process.