<description>The Basics of Calculating Density of Matter The average density of the Solar System is about 1 billion times smaller then the Earth&rsquo;s atmosphere.
The above statement puts into perspective the unique nature of space and the universe: It&rsquo;s mostly empty, a vacuum. The Solar System, which includes all the planets, asteroids, and the Sun, which has a mass of roughly 2.0 x $10^{30}$ kilograms, is a very expansive place that stretches far into space until it reaches the Interstellar Medium.</description>
<description>Hello everyone and welcome to the starting point of my astronomy and astrophysics series! Space is something I am very passionate about and I&rsquo;m very excited to giude you through some basic steps of learning about our universe in a scientific way. This post will simply outline some of the material I will cover in this series.