Episode 2, What Is a Year? (Star Laws, Shedding Light on Astronomy)Episode 2, What Is a Year? (Star Laws, Shedding Light on Astronomy)

What is a year? How big is the Sun compared to the Earth? How far away is the Earth from the Sun? What is a leap year? How fast does the Earth travel around the sun? Why are our years numbered the way that they are? What do AD and BC mean? What do CE and BCE mean? These questions are all answered in this sun-sational video!