Across
- 3. any planet that is not in our own solar system
- 7. some exoplanets do not orbit a star
- 8. recent discovery on habitable planets
- 9. some of the larger planets can be
- 10. all exoplanets are blank ____ away
Down
- 1. some exoplanets deem to be
- 2. PSR-B1257+12 is up to___ the mass of Earth
- 4. the first exoplanet was found orbiting
- 5. the closest exoplanet to Earth
- 6. exoplanets range in all different