Uploaded October 2013 | Updated September 2026, 1 week ago

---

In this experiment, Julie and Robert use household items to show you the difference between the size of Earth in comparison to other planets. But that's not all: Watch as they compare these planets to the size of our solar system, our galaxy and more.

Subscribe | bit.ly/stbym-sub
Homepage | bit.ly/stbym-hsw-home
Listen to us | bit.ly/stbym-itunes
Like us | bit.ly/stbym-fb
Follow us | bit.ly/stbym-twitter
Google+ | bit.ly/stbym-gplus