General Astronomy: Lecture 1 - Introduction

List of referenced videos:
Interactive Scale: http://htwins.net/scale2/
Video 1: The Scale of the Universe - https://youtu.be/nxs5wye0JXs
Video 2: Asteroid Discovery - https://youtu.be/BKKg4lZ_o-Y
Video 3: The Most Astounding Fact - https://youtu.be/9D05ej8u-gU
Video 4: Understanding Simulated Universes - https://youtu.be/ZLlhVv4S1bs?t=27s
Video 5: Why is the Milk Gone? - https://youtu.be/KjeKiIa7XEk
Video 6: Pale Blue Dot - https://www.youtube.com/watch?v=RESsY2y8G2s