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