A SECRET WEAPON FOR TYPES OF GALAXIES LESSON PLANS

Video and gifs as well. The 140-slide presentation has slides for all the matters shown under.What on earth is a starNuclear fusionHertzsprung-Russell diagramRed DwarfsWhite DwarfsThe SunBlue major sequence starsBlue giants and supergiantsRed and supergiantGalaxies at this Intense can have no very clear spiral arm framework, causing a lens-like app