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6th grade astronomy worksheet on galaxy classification showing spiral, elliptical, and irregular galaxies with visual analysis questions.
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Galaxy Classification and Hubble's Schema

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This printable astronomy worksheet guides 6th graders through Edwin Hubble's galaxy classification system with three parts: lecture notes on spiral, elliptical, and irregular galaxies; visual analysis of specific galaxies including Messier 74 and Messier 87; and application questions about galactic composition and structure. Suitable for science class note-taking, collaborative learning with projected images, or homework review.

Subject:
Science
Topic:
Astronomy
Grade Level:
6th Grade
Updated June 2026

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