An Astronomer Studying a Distant Cluster of Galaxies Finds That

question 32

Multiple Choice

An astronomer studying a distant cluster of galaxies finds that several of the galaxies are spiral-shaped, with a small nuclear region and loosely wound arms. How should the astronomer classify these galaxies?

• A) Sa
• B) SBb
• C) Sc
• D) Sb

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Definitions:

Instantiated

The process of creating a specific instance of a class in object-oriented programming.

Finally Block

A block of code that follows a try-catch structure, which is executed regardless of whether an exception is caught or not.

Try Block

A block of code that is tested for errors while it is being executed.

Finally Block

A block of code in certain programming languages that is executed after a try block, regardless of whether an exception was thrown or caught.