Planetary Shapes & Gravity : Astronomy Lessons

Subscribe Now: http://www.youtube.com/subscription_center?add_user=ehoweducation Watch More: http://www.youtube.com/ehoweducation One of the true definitions of a planet is that it is large enough to be rounded by its own gravity. Find out about planetary shapes and gravity with help from a warm, engaging and experienced science enthusiast from Arizona in this free video clip. Expert: Kristin Oviedo Filmmaker: Blake Higgins Series Description: Astronomy is the study of not just the galaxy but the planets, stars and other elements contained within. Get information about astronomy with help from a warm, engaging and experienced science enthusiast from Arizona in this free video series.