The Star Named Circini Has the Spectral Type and Luminosity

question 27

Multiple Choice

The star named Circini has the spectral type and luminosity class of O 8.5 V. Based on this information, which of the following are true?
I. Circini has a surface temperature less than the sun.
II. Circini has a diameter that is greater than that of the sun.
III. Circini is more luminous than the sun.
IV. Circini is located near the upper left hand corner in the HR diagram.

• A) I II
• B) II IV
• C) II, III, IV
• D) I, II, III
• E) I, II, III, IV

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Definitions:

Interest

The cost of borrowing money, typically expressed as a percentage of the principal amount, or the income earned from lending funds.

Straight-Line Method

A depreciation technique that allocates an equal amount of depreciation expense for an asset over its useful life.

General Journal Entry

A record in the general journal that includes all the financial transactions of a company, showing accounts affected, amounts, and whether those amounts are debits or credits.

Amortizing

The process of gradually paying off a debt over time through regular payments.