Sometimes fuzzy, sometimes irregularly shaped—and occasionally cannibalistic? These are just a few of the remarkable galactic facts contained in a short video that's sure to amaze! The narrator describes the four main types of galaxies, what happens when galaxies collide, and a few notable galaxies near Earth.

Concepts

galaxies, stars, the milky way galaxy, the universe, gases, ellipses, nebula

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Additional Tags

science

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Instructional Ideas

• Show the resource as an introduction to the concept of galaxies outside our own Milky Way
• Need to get creative? Ask the class to journal about what it would be like if our galaxy collided with another large galaxy

Classroom Considerations

• Prior knowledge of stars and their life cycles would be helpful in viewing the video

• This video is hosted on YouTube

Pros

• Animated sequences show the dramatic results of galaxies colliding
• The narrator explains the history of galactic research, adding a great cross-curricular element

Cons

• None