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ZingPath: Galaxies and the Universe


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Galaxies and the Universe

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Lesson Focus


Earth & Space Science

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You get to learn all about galaxies, including our own Milky Way galaxy. Learn about the formation and expansion of the universe, including the big bang theory.

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Now You Know

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

  • Describe the physical properties of the sun.
  • Describe the movement of the sun.
  • Describe properties of galaxies.

Everything You'll Have Covered

What are galaxies?

~ Galaxies are large groupings of stars, planets, and other objects found throughout the universe.

How many galaxies do scientists believe exist in the universe?

~ Astronomers believe that there are billions of galaxies scattered throughout the universe.

How many stars are believed to be contained in each galaxy?

~ The number of stars found in a galaxy depends on the size of the galaxy. Many smaller galaxies are thought to contain around a few million stars, while larger ones are believed to contain more than 1 trillion stars.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should be able to define galaxy, Milky Way, and planets.
Course Earth & Space Science
Type of Tutorial Animation
Key Vocabulary galaxy, Milky Way, planets