Which One of These Properties Is NOT Needed to Determine

question 174

Multiple Choice

Which one of these properties is NOT needed to determine individual masses in a binary star system?

• A) the distance to the binary system
• B) the plane of the orbit of the two stars
• C) the relative sizes of the orbits of the two stars
• D) the absolute magnitude of at least one star

---

Definitions:

Social Media Value Chain

The series of steps that create value from social media activities, including content creation, distribution, and audience interaction.

Core Activities

Essential tasks or operations that are central to an organization's or individual's main objectives.

Competencies

A set of defined skills, knowledge, abilities, and attributes that contribute to successful performance in a job or task.

Microshare

Sharing small, often personal, pieces of content or information with a specific group or individual rather than a broader audience.