Across
- 3. a region of space having a gravitational field so intense that no matter or radiation can escape.
- 6. National Aeronautics and Space Administration
- 9. famous dwarf planet
- 10. fourth planet in the solar system
- 11. an artificial body placed in orbit around the earth or the moon
- 12. a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
Down
- 1. the force that attracts a body towards the centre of the earth, or towards any other physical body having mass.
- 2. Warmest planet
- 4. European NASA
- 5. Biggest planet in the solar system
- 7. a small rocky body orbiting the sun
- 8. blue planet