Across
- 3. small, mostly rocky bodies
- 6. loose balls of rock or dust smaller than asteroids
- 7. wind streams of electrically charged particles.
- 10. dwarf a blue-white core that is left behind to cool.
- 12. the first stage of a star formation
- 14. the distance that light travels in a year.
- 15. a large cloud of gas and dust containing an immense volume of material.
- 18. brightness as seen from earth.
- 19. system consists of the sun, the planets, their moons, and a variety of smaller obejcts
- 20. natural satellite
- 22. brightness brightness that the star would have if it were at a standard distance from Earth.
- 25. radiation: energy that can travel in the form of waves.
- 26. huge loops of plasma that are polarized.
- 28. areas of plasma are cooler than the plasma around them.
- 30. flares eruptions from when loops and sunspots connect.
Down
- 1. distance between the crest of a wave to the crest of the next wave.
- 2. the inner larger of the sun's atmosphere
- 4. when a super-giant explodes.
- 5. round, orbits the sun, and has cleared out the region of the solar system along its orbit
- 8. the outer layers of the sun
- 9. all of space and everything in it
- 11. the middle layer of the sun's atmosphere
- 13. a gaseous body much larger than anything else in the solar system
- 16. unit equals the average distance measured from the center of the sun to the center of the earth
- 17. a huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.
- 21. instruments that collect and focus light and other forms of electromagnetic radiation.
- 23. Bang exploded in what has been called, the universe formed in an instant.
- 24. chunks of rock or dust smaller than asteroids
- 27. light light that you can see.
- 29. colors with different wavelengths.