Across
- 2. closest planet to the Sun
- 4. Explorers the rocket that found K2-138
- 7. James Webb's to be partner for exploring exoplanets
- 8. The abbreviation for Stratospheric Observatory for Infrared Astronomy
- 9. the amount of planets orbiting TRAPPIST-1
Down
- 1. has a double shadow on planets with two suns
- 3. the second brightest star
- 5. The abbreviation for Nation Aeronautics and Space Administration
- 6. the only planet in our solar system with rings
- 9. lets us live