Ranked #1
![Podcast cover](https://cdn-images.owltail.com/200x/jpg/aHR0cDovL2NoYW5kcmEuaGFydmFyZC5lZHUvcmVzb3VyY2VzL3BvZGNhc3RzL2dyYXBoaWNzL3R3b2luY2h1bml2ZXJzZS5qcGc=.jpg)
Step 3: The Realm of Our Solar System and Nearby Stars
Step 3: The Realm of Our Solar System and Nearby Stars
Shrink the entire Solar System down to 2 inches in diameter.
28 Apr 2008
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6mins
Ranked #2
![Podcast cover](https://cdn-images.owltail.com/200x/jpg/aHR0cDovL2NoYW5kcmEuaGFydmFyZC5lZHUvcmVzb3VyY2VzL3BvZGNhc3RzL2dyYXBoaWNzL3R3b2luY2h1bml2ZXJzZS5qcGc=.jpg)
Step 2: The Realm of Our Sun the Only Star in Our Solar System
Step 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.
28 Apr 2008
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3mins
Ranked #3
![Podcast cover](https://cdn-images.owltail.com/200x/jpg/aHR0cDovL2NoYW5kcmEuaGFydmFyZC5lZHUvcmVzb3VyY2VzL3BvZGNhc3RzL2dyYXBoaWNzL3R3b2luY2h1bml2ZXJzZS5qcGc=.jpg)
Step 4: The Realm of Galaxies
Step 4: The Realm of Galaxies
Switch scales one last time, and shrink the entire continent-sized galaxy down to 2 inches.
28 Apr 2008
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6mins
Ranked #4
![Podcast cover](https://cdn-images.owltail.com/200x/jpg/aHR0cDovL2NoYW5kcmEuaGFydmFyZC5lZHUvcmVzb3VyY2VzL3BvZGNhc3RzL2dyYXBoaWNzL3R3b2luY2h1bml2ZXJzZS5qcGc=.jpg)
Going Further
Going Further
You can use this 4-STEP SCALE MODEL to imagine some of the distances involved in NASA's explorations of the universe.
28 Apr 2008
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5mins
Ranked #5
![Podcast cover](https://cdn-images.owltail.com/200x/jpg/aHR0cDovL2NoYW5kcmEuaGFydmFyZC5lZHUvcmVzb3VyY2VzL3BvZGNhc3RzL2dyYXBoaWNzL3R3b2luY2h1bml2ZXJzZS5qcGc=.jpg)
What You'll Need
What 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 p... Read more
28 Apr 2008
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2mins
Ranked #6
![Podcast cover](https://cdn-images.owltail.com/200x/jpg/aHR0cDovL2NoYW5kcmEuaGFydmFyZC5lZHUvcmVzb3VyY2VzL3BvZGNhc3RzL2dyYXBoaWNzL3R3b2luY2h1bml2ZXJzZS5qcGc=.jpg)
Introduction
Introduction
This activity will help you explore the universe by shrinking cosmic scale in just 4 steps. Print out the instructions ... Read more
28 Apr 2008
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Ranked #7
![Podcast cover](https://cdn-images.owltail.com/200x/jpg/aHR0cDovL2NoYW5kcmEuaGFydmFyZC5lZHUvcmVzb3VyY2VzL3BvZGNhc3RzL2dyYXBoaWNzL3R3b2luY2h1bml2ZXJzZS5qcGc=.jpg)
Step 1: The Realm of the Earth and Moon
Step 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 si... Read more
28 Apr 2008
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5mins
Ranked #8
![Podcast cover](https://cdn-images.owltail.com/200x/jpg/aHR0cDovL2NoYW5kcmEuaGFydmFyZC5lZHUvcmVzb3VyY2VzL3BvZGNhc3RzL2dyYXBoaWNzL3R3b2luY2h1bml2ZXJzZS5qcGc=.jpg)
Reflection Questions
Reflection Questions
How likely do you think it is that there is life elsewhere in our galaxy? Intelligent life? What challenges are there in... Read more
28 Apr 2008
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1min