What is Astronomy? - Definition, History, Timeline & Facts


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question 1 of 3

What is the closest star to Earth after the sun?

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1. How far is an astronomical unit?

2. During which era did European scientists make major discoveries in astronomy?

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About This Quiz & Worksheet

Man has studied the stars throughout history, making astronomy one of the most ancient sciences. You can test your knowledge of astronomy using this assessment, which covers the history and science of astronomy.

Quiz & Worksheet Goals

In these assessments, you'll be tested on key astronomical facts, including:

  • The name of the closest star after the Sun
  • The definition of an astronomical unit
  • The era that counted the most advances in astronomy
  • The definition of a light-year
  • The range of the spectrum that is used to make observations of celestial objects

Skills Practiced

  • Information recall - access the knowledge you've gained regarding the methods used to study the universe
  • Defining key concepts - ensure that you can accurately define main phrases, such as light-year and astronomical unit
  • Knowledge application - use your knowledge to answer questions about the history and timeline of astronomical observations
  • Interpreting information - verify that you can read information regarding the development of the telescope and interpret it correctly

Additional Learning

To learn more about astronomy, review the accompanying lesson about the history and study of astronomy. This lesson covers the following objectives:

  • Define astronomy and explain the methods used to observe celestial objects
  • Understand how observing celestial objects also means looking back in time
  • Know how far back in history astronomy has been studied, and describe some of the first observations that were recorded
  • Identify some ancient cultures that made advancements in astronomy and explain what those advancements were
  • Differentiate between light-year and astronomical unit