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ZingPath: Stars

Stars

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Stars

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Lesson Focus

Stars

Earth & Space Science

Learning Made Easy

You get to learn about the different types of stars, including their life cycles and their structure. Travel on a deep space mission to probe the galaxy for stars that contain habitable planets, and to learn about how black holes form from collapsed suns.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Describe the physical properties of stars.
  • Define a light year.
  • Know how to measure distances and sizes using light years.

Everything You'll Have Covered

What is a star, and how many are there in our galaxy?

~ A star is an extremely hot gas sphere that emits radiation, including visible light. There are billions of stars in the Milky Way galaxy.

Why is it difficult to see the motion of the stars from Earth?

~ It is difficult to see the motion of the stars from Earth because the stars are very, very far away from us.

How are great distances measured in space?

~ Great distances in space are measured using a special unit called a light-year. One light- year is equivalent to the distance that a beam of light travels in one year, or about 9.5 trillion kilometers.

How wide is the Milky Way Galaxy in light-years?

~ The Milky Way Galaxy is about 100,000 light-years wide.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should be able to define the following terms: Centauri, galaxy, and light year.
Course Earth & Space Science
Type of Tutorial Animation
Key Vocabulary Centauri, galaxy, light year