Across
- 4. CMBR is short for this, left over energy from the big bang
- 8. apparent increase in wavelength due to observer and source moving away from each other
- 10. area between Mars and Jupiter where most asteroids are found
- 14. dense hot white body remaining after a red giant sheds the outer layers
- 15. satellite that orbits the poles
- 16. A star in its steady hydrogen burning phase
- 17. object that orbits a planet, can be natural or artificial
- 18. round object that orbits a star, large enough to clear its orbital path
Down
- 1. orbit where the object remains directly above the same spot on earth
- 2. closest planet to the sun
- 3. ball of gas earliest step of making a star
- 5. small rocky object, mostly found inbetween Mars and Jupiter orbiting the sun
- 6. first thing formed when a small/medium star runs out of hydrogen
- 7. largest planet
- 9. clouds of dust and gas in space
- 11. object in space made of ice, it's tail points away from the sun
- 12. planet famous for its rings
- 13. formed from large stars that have died