Visit http://ilectureonline.com for more math and science lectures!

In this video I will compare Mercury's size with next 3 planets: Venus, Earth, and Mars. Then I will compare the size of Mercury with the moons of Saturn: Ganymede, Callisto, and Io; and the moon of Saturn: Titan.

Next video in this series can be seen at:
https://youtu.be/avp0hPOSnUE