Star Party- Closing Lesson

For this orbit of stars in galaxies worksheet, learners are given an equation that models the orbital speeds of stars as they relate to their distance from the nucleus of a galaxy. Students solve 5 problems using this equation and...

How do you put something as large as the universe in perspective? Use a series of scale experiments. Classmates collaborate around four experiments to examine the scale of the earth-moon system, our solar system, the Milky Way galaxy,...

In this galaxy worksheet, students use the galaxy fact worksheet to complete 18 fill in the blank questions about galaxy shape, sizes, and number of stars.

Young astronomers learn about the Big Bang Theory and redshift through a hands-on activity in the last installment of a three-part series. Participants draw dots on balloons and then inflate them to model how galaxies moved farther apart...

The greater the technology, the better our understanding of our galaxy. An intriguing lesson from a solar system video series discusses the discoveries of the Gaia space observatory. With the release of the first 3D map of the Milky Way,...

Fifteen detailed pictures and informative captions delve deep into the exploration of stars—their life cycle and importance in the universe. 

Students practice skills used in scientific investigation while studying the three main types of galaxies. Students identify Earth as part of Milky Way galaxy, the parts of galaxies, and the types of galaxies, as well as classify...

A brief description of Infrared Astronomy Satellite (IRAS) project and its discoveries. Complete with graphics, links to a glossary of terms, and a printable version of the page.

Students view NASA images of galaxies and develop a galaxy classification scheme. They compare and contrast their classification scheme with that developed by Edwin Hubble. They recognize that galaxies are collections of billions of stars.

Students infer the galaxy shape.  In this structure of the galaxy instructional activity students observe the distribution of objects in the sky and answer questions.