Advanced Subjects

Are you more experienced and do you have the basics down? Then these are the Answers to more advanced questions and subjects that you can learn! Here we give overviews on distances, measurements, catalogs, and some advanced concepts in the sky!

What Do We Mean By Magnitude?
What Are Degrees, Arc Minutes, and Arc Seconds?
What are AU’s, Light Years, & Parsecs, and How Do We Know Their Distances?!
What is “M” This and “NGC” That, and What Does it Mean?
What are “Star Dates” and Why Yours May be Wrong!
If We’re Moving, then Why are the Stars the Same?
Why Do the Stars Change with Each Season?