Across
- 2. The most luminous star known, that is 10 million times the brightness of the sun
- 5. Rocket fuel is made up of mostly liquid hydrogen and liquid ______
- 7. The tallest mountain ever discovered was found on a(n) ________
- 8. Jupiter's Great Red Spot is a huge _____
- 11. ______ is the first planet to be discovered by a telescope
- 12. Sunset on ____ is blue
Down
- 1. The colour of the hottest stars
- 3. The core of a star reaches _______ million degrees celsius
- 4. First food grown in space
- 6. A full moon is ____ times brighter than a half moon
- 9. During the moon landing, a ______ was left on the surface in order to measure its distance from earth
- 10. _____ spins in the opposite direction to most planets