Reflection Questions
How likely do you think it is that there is life elsewhere in our galaxy? Intelligent life? What challenges are there in trying to communicate with any potential life around other stars? In other...
View ArticleGoing Further
You can use this 4-STEP SCALE MODEL to imagine some of the distances involved in NASA's explorations of the universe.
View ArticleStep 4: The Realm of Galaxies
Switch scales one last time, and shrink the entire continent-sized galaxy down to 2 inches.
View ArticleStep 3: The Realm of Our Solar System and Nearby Stars
Shrink the entire Solar System down to 2 inches in diameter.
View ArticleStep 2: The Realm of Our Sun the Only Star in Our Solar System
Switch scales by shrinking the minivan-sized Sun down to a 2-inch diameter.
View ArticleStep 1: The Realm of the Earth and Moon
If you shrink the earth to about 2 inches or 5 centimeters (cm) in diameter here's how other objects would compare in size and distance.
View ArticleWhat You'll Need
Wrap your mind around the vast distances in the universe. What you'll need: a measuring tape, 6 round images from the printable 2-inch universe PDF, a grain of salt and a wide open mind.
View ArticleIntroduction
This activity will help you explore the universe by shrinking cosmic scale in just 4 steps. Print out the instructions and cut-out templates. Follow along with the activity by listening to the...
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