Two Stars of Equal Mass Form a Visual Binary System

question 85

Multiple Choice

Two stars of equal mass form a visual binary system. The separation between the two stars is 4 au and the period of the orbital motion is 8 years. What is the mass of each star relative to the mass of the Sun?

• A) 1
• B) 1/2
• C) 1/4
• D) 2

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Definitions:

Class Inclusion

A cognitive operation that allows a person to see that some classes or sets of objects are subsets of a larger class, and to understand the relationship between the whole and its parts.

Conservation Problems

Issues related to the sustainable management and preservation of natural resources and environments.

Working Memory

A cognitive system responsible for temporarily holding information available for processing, critical for reasoning and the guidance of decision-making and behavior.

Impulse Control

The ability to delay gratification and resist unwanted behaviors or urges.