| A | B |
| Supernova | A star that has collapsed on itself to create a massive explosion. |
| Supernovae | Plural of several star explosions |
| Black hole | A massive star that has collapsed itself to create a giant hoover-vacume like area |
| Pollux and castor | The alpha and beta stars of the constellation gemini. |
| Orion Main Star | Betelgeuse |
| Asterism | Small group of stars, not a constellation but usually part of one. |
| All of the messier numbers | 1-110 |
| Main star of ara | Beta Arae |
| Main star of Delphinus | Rotanev |
| Type of star that betelgeuse is. | Red Giant |