Which Star,according to Its Apparent Magnitude,would NOT Be Visible to the Unaided

question 177

Multiple Choice

Which star,according to its apparent magnitude,would NOT be visible to the unaided eye on a clear night?

• A) Tau Ceti m = +3.49
• B) Alpha Centauri B m = 1.34
• C) Barnard's star m = +9.53
• D) 61 Cygni A m = +5.21

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Definitions:

Collect Like Terms

The method in algebra which involves merging terms that possess identical variables elevated to the same exponent.

Operation Indicated

The execution of a computational or algebraic process as prescribed by mathematical or operational signs.

Collect Like Terms

A mathematical process of combining terms in an algebraic expression that have the same variables raised to the same power.

Operation Indicated

Refers to carrying out the arithmetic or mathematical operation that a particular problem or equation specifies.