The Sun and Solar System

4. main regions where solar wind escapes
7. small bodies of grains/ice that orbit the sun and can swing out past Pluto
9. jupiter, saturn, neptune and uranus are all _________ planets
12. the basis for the Astronomical Unit is the __________ from the sun to earth
14. caused by solar activity energizing layers of our atmosphere
15. the amount of energy from the sun that reaches the outer edge of earth's atmosphere is roughy the same as this many 100 watt light bulbs per square meter
16. if the sun were about the size of a golf ball then this planet would be a sprinkle from a cosmic brownie
17. the corona is a layer in the sun's ____________
18. 11 year period of change in the sun's magnetic field due to differential rotation
19. the main element that makes up the sun

1. the layer of the sun that we actually see
2. the matter concentrated at the center of the accretion disk becomes a _________
3. the early stage of planets forming through accretion
5. it takes light 170,000 years for light energy to make its way through this zone in the sun
6. the rising and falling of hot/cool gas
8. what we call a 'shooting star'
10. the coolest locations on the sun
11. except for earth, the planets are named after greek and ________ gods
13. a large cloud of gas and dust
14. these are too small to be considered planets but they still orbit the sun