Meghan Lowery MAGO E.C Q2

4. All stars get their energy from this.
5. Giant, dirty snowballs a mixture of grit and ice.
9. Discovered the 3 laws of planetary motion.
12. Dark spots on the photosphere.
14. Solar______ are bursts of light that rise up suddenly in areas of sunspot activity.
15. stars live longer.
16. The pressure within the core of a star That counteracts the force of gravity.
19. Fireballs in space that collide with air molecules and begin to glow white hot.
20. A big cloud of gas and dust, where stars are formed.

1. Visible surface of the sun.
2. Displays of color and light appearing in the upper atmosphere.
3. This is the radioactive zone with plasma.
6. Earth's ________ field shields the planets wind surface from solar wind.
7. A fourth state of matter consisting of charged particles.
8. The process where gravity begins to pull gases together into a ball.
10. This planet is 4.5 billion years old.
11. What do stars fuse after all of the hydrogen has been used?
13. This scientist helped improve the technology of telescopes (hint:8x-20x).
17. People in the (umbra or penumbra) shadow see a total eclipse.
18. ______ sequence stars make up the largest portion of the HR Diagram.