It Is Possible for a Galaxy to Have an Apparent

question 83

Multiple Choice

It is possible for a galaxy to have an apparent velocity greater than the speed of light.This means that the galaxy

• A) has an active nucleus capable of producing relativistic jets.
• B) is approaching us and the measured speed is a mere artifact of projecting its velocity along the line of sight.
• C) has been ejected at tremendous speed by the Big Bang.
• D) is being temporarily accelerated by large numbers of simultaneous supernovae blasts.
• E) is being carried by the expansion of the universe.

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Definitions:

Promissory Note

A financial instrument involving a written promise by one party to pay another a definite sum of money either on demand or at a specified future date.

Simple Interest

Interest calculated only on the original principal, not on the accumulated interest from previous periods.

Maturity Value

The amount payable to an investor at the end of a debt instrument's life, including both the principal and the interest.

Promissory Note

A financial document in which one party promises in writing to pay a determinate sum of money to another, either at a fixed or determinable future time or on demand.