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In this activity, students estimate the size of the visible universe in relation to the size of the Milky Way Galaxy. To do so, students will get a sense of scale and will convert from centimeters to kilometers. This is the first activity in the "Hidden Lives of Galaxies" information and activity booklet. It is designed for use with "The Hidden Lives of Galaxies" poster.
This resource is located on page 32 of the PDF document.