| A | B |
| Alpha Centauri | A system consisting of 3 stars but appearing as a single star to the naked eye. |
| Binary Star | A pair of stars that revolve around a common center of gravity. |
| Constellation | A group of stars that form a shape or a pattern. |
| Corona | Outer atmosphere of the sun |
| Chromosphere | The area on the sun above the photosphere |
| Draco | constellation forming a dragon's head. |
| Flare | are bright filaments of hot gas |
| Interior | Inner surface or part inside. |
| Iron | Common metal used to fuse stars |
| Mnemonics | Memory Aids |
| Nebula | A cloud of interstellar matter which may be dark |
| Nova | A star that has exploded into temporary brightness |
| Proxima Centauri | The biggest star |
| Sunspots | Black spot that are cooler than the sun's surface |
| White Dwarf | Small bit very hot star |