Starting in 2009, Astronomers Have Been Discovering Really Cool Objects

question 1

Multiple Choice

Starting in 2009, astronomers have been discovering really cool objects out there (cool here meaning low-temperature, as well as really interesting) , which they have called Y dwarfs. What distinguishes these brown dwarfs from others that astronomers have discovered?

• A) they show absorption lines from the ammonia molecule in their spectra
• B) they are hotter than other brown dwarfs
• C) they orbit hundreds of nearby stars and are much more common than other brown dwarfs
• D) they show strong evidence of helium in their spectra
• E) they have much larger mass than other brown dwarfs

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Standard Cost Systems

An accounting method that uses standard costs for direct materials, labor, and overhead to help managers control business costs.

Performance Evaluation

The formal assessment process of an employee's job performance, typically conducted through reviews and meetings.

Actual Costing System

A costing method that assigns costs to products based on the actual costs of direct materials, direct labor, and overhead incurred.

Direct Material Price Variance

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