1. Small Bodies in the Solar System 20-3 pgs. 557-561 5/15/14 IN: List the 8 planets in order starting closest to the sun. Put you DRW on the box

2. MercuryInner Planets Venusterrestrial Earth-small, dense, Marsand rocky JupiterOuter Planets Saturngas giants Uranus-large and made Neptunemostly of gas Asteroid Belt

5. Asteroids – large chunks of rock that orbit the Sun. Sometimes referred to as minor planets.

7. Asteroid Belt – the region of the solar system, between Mars and Jupiter, where asteroids orbit the Sun.

8. Comets Comets – a small body of ice, rock and cosmic dust loosely packed together.

9. The Tail of a Comet A comet’s ion tail consists of electrically charged particles of dust and gas.

10. Halley's Comet last appeared in the inner Solar System in 1986 and will next appear in mid-2061. Halley's Comet is the most famous of the periodic comets and can currently be seen every 75–76 years.

11. (You don’t have to draw this.)

12. Meteoroid, Meteorite, or Meteor? Meteoroid – a very small, rocky body that revolves around the sun. Meteor – the bright streak of light caused by dust burning up. Meteorite – a rock that reaches the Earth’s surface without burning up completely.

14. A “shooting star” is NOT an actual star.

15. Meteor Showers

16. Meteoroids and the Moon

17. Meteorites and the Earth Objects smaller than about 10 m across usually burn up in the atmosphere.

18. Meteor Crater The crater was created about 50,000 years ago. The object that excavated the crater was a nickel- iron meteorite about 50 meters (54 yards) across, which impacted the plain at a speed of several kilometers per second (28,600 mph).nickel iron

19. OUT: What would result if a meteorite struck the Earth?