The Twentieth Century Opened with a Major Unresolved Question Among

question 7

Multiple Choice

The twentieth century opened with a major unresolved question among astronomers. This was the subject of the famous Shapley-Curtis debate. What was this question?

• A) How old is the Milky Way Galaxy?
• B) What is the nature of dark matter?
• C) Is general relativity true?
• D) Is the Milky Way Galaxy the whole universe, or only one of many galaxies?

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Definitions:

Cost Method

is an accounting approach used for recording investments, where the investment is recorded at its acquisition cost and adjustments are made for dividends or interest earned and changes in value are not recognized until sold.

Trading Securities

Trading securities are investments in debt or equity that are purchased with the intention of selling them in the near term to realize short-term gains.

Comprehensive Income

The change in equity (net assets) of a business enterprise during a period from transactions and other events from non-owner sources. It includes all revenues, gains, expenses, and losses.

Cash Flows

The aggregate sum of money flowing in and out of an enterprise, crucially influencing its financial fluidity.