| Definition | Term |
|---|
| Unknown force that is causing the universe to expand | |
| Type of star cluster that is tightly packed with over a million stars | |
| Do white dwarves form from high mass stars or low mass stars? | |
| Explosion that created our universe | |
| The galaxy that our solar system is located in | |
| Group of two or more stars | |
| Type of galaxy that is shaped like a stretched out ball | |
| Huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity | |
| Type of galaxy with a bulge in the middle and arms that spiral outward | |
| Type of galaxy that does not have a regular shape | |
| The apparent change in position of an object when you look at it from different places. | |
| Do supergiants form from high mass stars or low mass stars? | |
| Do red giants form from high mass stars or low mass stars? | |
| Do black holes form from high mass stars or low mass stars? | |
| Does a planetary nebula form from high mass stars or low mass stars? | |
| Type of star cluster that is loosely packed with only a few thousand stars | |
| If a star is red, is it hot or cool? | |
| The blue-white core of a star that is left behind and cools becomes a ________. | |
| Do supernovas form from high mass stars or low mass stars? | |
| The explosion of a supergiant | |
| Brightness as seen from Earth | |
| Large cloud of gas and dust from which stars form | |
The Nine Planets 
Digits of Pi 
Multiplication Table
