You Discover a Binary Star System in Which Star a Has

question 53

Multiple Choice

You discover a binary star system in which star A has a velocity of 10 km/s and star B has a velocity of 30 km/s.Which one of the following mass combinations is physically possible?

• A) Star A is 3 M¤ and star B is 1 M¤.
• B) Star A is 1 M¤ and star B is 0.3 M¤.
• C) Star A is 1 M¤ and star B is 3 M¤.
• D) Star A is 2 M¤ and star B is 0.5 M¤.

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Definitions:

Hypotheses

Proposed explanations made on the basis of limited evidence as a starting point for further investigation.

Independent

Not influenced by or connected to others; self-sufficient or autonomous in relation to external conditions or influences.

Dependent

Reliant on something else for support, sustenance, or supply.

Explanation

The act of making something clear or understandable by providing information or reasons.