If Spiral Density Waves Were the Only Thing Producing Spiral

question 38

Multiple Choice

If spiral density waves were the only thing producing spiral arms,what result would be expected?

• A)All spiral arms would be gas- and dust-free.
• B)All galaxies would have only two smooth spiral arms.
• C)The Milky Way would show an irregular pattern of short arms.
• D)The halo component of the Milky Way would show spiral arms as well.

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Definitions:

Bond Indenture

The formal agreement between a bond issuer and bondholders, detailing the terms of the bond such as interest rates, maturity date, and other conditions.

Yield To Maturity

The total return anticipated on a bond if held until it matures, considering all interest payments made at set intervals and the principal or face value.

Bond Indenture

A legal document specifying the rights, duties, and obligations of both the issuing company and the bondholders.

Coupon Frequency

The frequency with which a bond's interest payments are made to bondholders, such as annually, semi-annually, quarterly, or monthly.