Luminosity is the brightness a star. The energy it radiates each second.
If two stars have the same size, the hotter one radiates more energy.
The main sequence is where the majority of stars fall under when categorized by the H - R diagram.
Mass determines a star's life and evolution.
Bipolar flows are outflows of gas bursting out in opposite directions, moving like jets.
The instability strip is a region on the atmosphere that traps radiation leading the gases to cool and change brightness.
Degeneracy pressure happens when white dwarfs are under pressure causing the gas to act as a solid.
X Ray binaries have stars with intense radiation.
The core is a galaxy's nucleus.
A reflection nebula happens when a gas reflects sunlight from the interstellar dust causing the nebula to shine.
Considering the shape of galaxies, there are three main classes.
Red Galaxies tend to be cooler and have less gas compared to blue galaxies.
MACHO stands for Massive Compact Halo Object.
Quarks and anti-quarks makes up proton and anti-protons.
