Extra Videos and Resources for Those Who are Interested

​Unit 1 Structure and Properties of Matter...and the Sun

More about quantum mechanics.  Same info, with more detail.

More about probability functions of electrons.

Crash course astronomy with more on the sun, sunspots, magnetic fields an auroras.

NASA Image of a Stellar Nursery and other imagery:
https://www.nasa.gov/multimedia/imagegallery/image_feature_643.html