| A | B |
|---|
| magnitude | the brightness of a star |
| simulation | artificial environment set up like an actual environment used for practice or training of a specific place |
| rendezvous | appointed meeting place |
| constellation | a formation of stars that are looked upon as a figure or design |
| supernova | the explosion accompanying the death of a massive star as its core collapses |
| mission status monitor | a set of televisions screens showing a variety of info |
| comet | the dirty snowball that is a small celestial body composed mainly of ice and dust |
| planet | one of nine bodies of the solar system that are more dense than comets |
| gases | substances that are not liquids or solids. It has no shape or size of its own but can completely fill an enclosure |
| asteroid | small rocky member of the solar system that are more dense than comets |
