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Measuring Objects in the Sky: Angular Size & Distance

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

The angle that's made by two lines starting at an observer and ending on the opposite sides of an object is known as the:

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1. The angular diameter is the same as the:

2. The angle that is formed by two imaginary lines starting at an observer's eye and ending at two objects is known as the:

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About This Quiz & Worksheet

The quiz is a collection of questions that ask you to complete a sentence about angular size and distance for objects in the sky. The questions will provide you with a definition. You will be asked then to select the correct term from the choices provided.

Quiz & Worksheet Goals

The assessment will test you on the following:

  • Angles made by two lines starting at an observer and ending at the opposite sides of an object
  • What one sixtieth of a degree is equal to
  • What one sixtieth of an arc minute is called
  • Angle formed by two lines starting at an observer and ending at two objects
  • Alternate term for angular diameter

Skills Practiced

You will practice the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related angular size and distance lesson
  • Making connections - use understanding of the concept of measuring angular size
  • Interpreting information - verify that you can read information regarding angular distance and interpret it correctly
  • Information recall - access the knowledge you've gained regarding distant objects in the sky

Additional Learning

Complete the quiz and head over to the related lesson. The lesson covers the following objectives:

  • Defining the celestial sphere
  • Understanding the meaning of angular distance
  • Describing small angles through arc minutes and seconds
  • Measuring angular diameter and angular size
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