We Have Sent Several Spacecraft on Trajectories That Will Ultimately

question 67

Multiple Choice

We have sent several spacecraft on trajectories that will ultimately take them into interstellar space (Pioneer 10 and 11, Voyager 1 and 2, New Horizons) . How long will it take these spacecraft to travel as far as the nearest stars?

• A) Tens of thousands of years
• B) A few hundred years
• C) A few decades
• D) Never, because they will rust and fall apart
• E) About a thousand years

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Definitions:

Semiannual

Occurring twice a year; a term often used in finance to describe payments, interest accruals, or other events that happen every six months.

Unamortized Discount

The portion of a bond discount that has yet to be expensed in the income statement over the bond's life.

Gain

Refers to the profit earned from the sale of an asset or investment for more than its purchase cost, excluding income from the primary business activities.

Redeemed

The process of exchanging a financial security or voucher for cash, goods, or services.