Earth & Space Science: Universe Study
by Mdsn Mrtnz

1. Stars
1.1. Protostar
1.1.1. How a star is born
1.2. Supernova: Star that suddenly increases in brightness bc of an explosion that ejects most of its mass.
1.3. Black hole:
2. Hertzsprung-Russell Diagram
2.1. Arranged by: COLOUR - Red stars on right, blue stars on left, others plotted in between. LUMINOSITY - Brightest stars at the top, dimmest stars on the bottom.
3. Sun
3.1. Sun's Layers
3.2. Solar flares:
3.2.1. Coronal mass ejection:
3.3. Solar wind: Sun's constant flow of subatomic particles in all directions.
3.3.1. Aurora Borealis: Combination of (solar wind's) charged particles & atoms/molecules in Earth's atmosphere