Lesson for Today- Lesson 02

How do Planets, or other objects move around a star? The observations of the German astronomer, Johannes Kepler (27 December 1571 – 15 November 1630), deduced the three laws that are being used today to answer that question. I will describe the three laws in three different lessons, starting today with the first one below.Continue reading “Lesson for Today- Lesson 02”