Structure and Composition of the Universe

The Universe is vast. Although its size is hard to comprehend, investigating its structure and composition gives us a better understanding of its primary building blocks. In this section, you will learn a bit more about galaxies.

• Normal Galaxies	• Active Galactic Nuclei

NASA’s Neurodiversity Network materials are based upon work supported by NASA under award number 80NSSC21M0004 to Sonoma State University, working in partnership with the Education Development Center (EDC), the New York Hall of Science, and WestEd. The original version of this website was developed as part of NASA’s Universe of Learning under award number NNX16AC65A to the Space Telescope Science Institute. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Aeronautics and Space Administration. Contact the AfH team by emailing edeon@sonoma.edu.