Astronomical Concepts – Week 5

The main topic this week was the Sun. Here are a few facts about the sun: It is a hot ball of glowing gas It is a yellow dwarf, main sequence star Approx. 150 million km from Earth (this distance is known as 1 astronomical unit (AU)) Formed 4.5 billion years ago Formed from a … Continue reading Astronomical Concepts – Week 5


Exploring the Heavens – Week 3

The topic for this week was 'The Characteristics of the Solar System'. The main items covered were the formation of the solar system, the planets and other celestial bodies such as comets and asteroids. Due to being ill this week I attended the Thursday class instead of my usual Tuesday class, but the format was … Continue reading Exploring the Heavens – Week 3