Across
- 3. a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.
- 7. the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids and comets
- 9. a small, rapidly moving meteor burning up on entering the earth's atmosphere.
- 10. a region of space having a gravitational field so intense that no matter or radiation can escape.
- 11. the planet on which we live; the world.
- 13. The eighth planet from the Sun and the fourth largest, with a diameter almost four times that of Earth
- 14. the smallest planet in our solar system and nearest to the Sun
- 16. the fifth planet from our Sun and is, by far, the largest planet in the solar system
Down
- 1. It's dry, rocky, and bitter cold. The fourth planet from the Sun,
- 2. is the sixth planet from the Sun and the second-largest in the Solar System
- 4. a celestial body moving in an elliptical orbit around a star.
- 5. a celestial object consisting of a nucleus of ice and dust and, when near the sun,
- 6. a cloud-swaddled planet named for a love goddess, and often called Earth's twin
- 7. the star around which the earth orbits.
- 8. a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
- 9. a continuous area or expanse which is free, available, or unoccupied.
- 12. a hypocycloid with four cusps
- 14. a number of meteors that appear to radiate from one point in the sky
- 15. the seventh planet from the Sun. It is a gaseous cyan-coloured ice giant