The Mass of a Visual Binary Pair of Stars Can

question 60

Multiple Choice

The mass of a visual binary pair of stars can be obtained from

• A)the time in years for them to orbit one another.
• B)the size of their orbit.
• C)their apparent magnitudes.
• D)both the time in years for them to orbit one another and the size of their orbit.

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Definitions:

Centration

Centration is a term from cognitive psychology describing a tendency to focus on one aspect of a situation while neglecting others, common in early childhood development.

Conservation

A cognitive ability, identified by Jean Piaget, that allows a person to understand that certain properties of objects remain the same despite changes in the object's form or appearance.

Scaffolding

Pedagogical technique that provides supportive structures and tools to aid learning, allowing students to perform tasks they cannot do independently.

Model Airplane

A scaled-down replica of an aircraft, used for display, hobby building, or flying competitions.