| A | B |
|---|
| gravity | natural force that makes everything on Earth move toward it |
| ascend | go up |
| meteorite | piece of stone from space that hits something |
| enormous | very big and huge |
| telescope | intrument that makes far away things appear close |
| astronaut | person who goes into space |
| launch | get something going |
| shuttle | vehicle that carries astronauts into space |
| universe | Earth, sun, moon, planets, and stars |
| descend | go down |
| journey | a long trip |
| experiment | test to find out something |
| orbit | the path around something in space |
