| Answer | Crossword Clue |
|---|---|
| ODYSSEY | Spacecraft orbiting Mars |
| NASA | Its insignia includes an orbiting spacecraft |
| CASSINI | Spacecraft that began orbiting Saturn in 2004 |
| CERES | NASA's spacecraft Dawn began orbiting it in 2015 |
| microgravity | Very weak gravity, as in an orbiting spacecraft |
| weightless | (of a body, esp. in an orbiting spacecraft) Not apparently acted on by gravity |
