Across
- 3. (87) The sun has a medium _____ and size compared to other regular stars.
- 4. (87) Bigger stars are _____ and brighter.
- 8. (90) In outer space, most stars collect together into groups called _____.
- 9. (90) The Milky Way has _____ of stars in it.
- 10. (86) The _____ is a star.
- 11. (90) Our sun and solar _____ is part of a galaxy called the Milky Way.
Down
- 1. (88) Today we still group stars into pictures called _____.
- 2. (89) The earth _____ the sun once every year.
- 5. (91) There are many billions of galaxies in the part of _____ space that we can see from the earth.
- 6. (87) A star is a giant ball of hot, _____ gases in outer space.
- 7. (87) Smaller stars are not as hot and _____.
- 8. (86) Stars are mostly made of the _____ hydrogen and helium.