Across
- 2. huge snowballs that orbit our star
- 4. the star and all the planets (2)
- 6. man-made objects that orbit the Earth (2)
- 7. orbits a star, big enough to have enough gravity to force it into a spherical shape, big enough that its gravity cleared away any other objects of a similar size near its orbit around the star.
- 9. bits of dust or rock that burn up as they move through the Earth’s atmosphere
- 11. the closest collection of stars to our own
Down
- 1. bits of rock that enter the Earth’s atmosphere and reach the ground
- 3. the first letters of the planets that most people can see with the naked eye
- 5. a collection of stars
- 8. our star (2)
- 10. our only natural satellite (2)
- 12. the collection of stars in which our star sits (2)