The Transfer of Mass from the Surface of One Star

question 233

Multiple Choice

The transfer of mass from the surface of one star onto the surface of another is MOST often observed in

• A) detached binaries.
• B) overcontact binaries.
• C) contact binaries.
• D) semidetached binaries.

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Definitions:

Par Value

The face value of a bond or stock, representing the amount to be returned to the holder at maturity, or a nominal value for stock.

Zero-coupon Bond

A bond that does not pay interest during its life but is sold at a deep discount from its face value and pays its face value at maturity.

Yield To Maturity

The total return anticipated on a bond if it is held until it matures, including all interest payments and capital gains or losses.

Par Value

The face value of a bond or stock, representing the amount that the issuer agrees to pay at maturity or the value assigned to a stock for accounting purposes, respectively.