Across
- 4. group of stars which seem to form a recognisable pattern in the sky
- 5. seventh smallest planet in solar system
- 6. an object that orbits around a larger one.
- 7. mass of rock moving around in space
- 9. small luminous object sky
Down
- 1. a star which is 425 light year away and 60000 times brighter than sun
- 2. astronomical unit of length equal to the distance light travels in a vacuum in one year
- 3. this galaxy has a diameter of 100000 light years
- 4. this constellation is visible from northern hemisphere
- 8. the star that provides light and warmth to the earth