What Are Binary Stars?


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question 1 of 3

This is pair of stars that revolve around their common center of gravity:

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1. Which of these is a form of binary star that can be resolved into two separate stars with a telescope?

2. This is a kind of binary star that has a visible star with an unseen companion star:

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About This Quiz & Worksheet

Use this quiz and worksheet to define key terminology for classifying binary stars. Understand the nuance of each classification for an accurate understanding.

Quiz & Worksheet Goals

In these assessments you'll be tested on the definitions of:

  • Visual binary
  • Binary star
  • Eclipsing binary
  • Astrometric binary
  • Spectroscopic binary

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related binary star lesson
  • Making connections - use understanding of the concepts of eclipse and spectrum as they relate to binary stars
  • Critical thinking - apply relevant concepts to examine information about stars in a different way
  • Information recall - access the knowledge you've gained regarding binary stars

Additional Learning

To learn more about binary star classification, review the accompanying lesson titled What Are Binary Stars? This lesson covers the following objectives:

  • Understand how binary stars are classified
  • Define binary star
  • Determine orbital patterns of binary stars
  • Know the influence of a common center of gravity