Across
- 1. Neil Armstrong was the first man to walk here.
- 4. Someone that travels to space.
- 5. The Juno Mission sent a spacecraft to _________.
- 6. The Milky Way is our _________.
- 7. Earth is _____ than the sun.
Down
- 1. This planet is closer to the sun than Venus.
- 2. The universe has many __________.
- 3. The solar system has billions of _______.
- 8. This is the planet where people live.