Which of These Methods for Detecting Exoplanets Requires Astronomers to Take

question 96

Multiple Choice

Which of these methods for detecting exoplanets requires astronomers to take spectra of the stars around which the exoplanets orbit?

• A) astrometric method
• B) radial velocity method
• C) transit photometry method
• D) transit timing method

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Definitions:

Materials Quantity Variance

A measure of the difference between the actual quantity of materials used in production and the expected quantity, multiplied by the standard cost per unit.

Materials Price Variance

The deviation from the standard to the real price of materials, calculated by multiplying this difference by the amount of materials bought.

Variable Overhead

Overhead costs that vary directly with the level of production or activity, such as electricity or material handling costs.

Direct Material

Raw materials that can be directly traced to the production of a specific product and are a significant component of its cost.