1. WHAT ARE COMETS AND ASTERIODS? HOW DO THEY FORM? By: Maria Angelika E. Espeno Envi Sci 7

2. Things we are going to discuss: Comets Asteroids 1. Examples 1. Examples 2. Formation 2. Formation Awww.kidsastronomy.comwww.kidsastronomy.com

3. What are “Comets” planetesimal “dirty snowball” Oort Cloud & Kupier Belt Long haired star How is a comet formed? created by the collapse of a giant diffuse of cloud dust 4.6B years ago

4. Examples of Comets Comet West Comet Halley

5. Edmund Halley

6. Comet West November 5, 1975 Richard West

7. What is an asteroid? Large rock in outer space “planetoid” THE ASTEROID BELT: Contains 40,000 asteroids Found in between Mars and Jupiter

8. Examples of Asteroids Ida & Dactyl 2001KX76 animationplaza.com

9. Ida & Dactyl Ida- A unique asteroid Dactyl- Ida’s moon

10. 2001 KX76 Also known as “The New Asteroid King” apod.nasa.gov

11. FORMATION OF COMETS & ASTEROIDS ASTEROIDS-left over material from the formation of our planets COMETS-collapse of a giant diffuse of cloud dust 4.6 billion years ago!

12. SOURCES OF INFORMATION http://starchild.gsfc.nasa.gov/docs/StarChild/s olar_system_level1/asteroids.html http://starchild.gsfc.nasa.gov/docs/StarChild/s olar_system_level1/asteroids.html //www.kidsastronomy.com/comets.htm //www.kidsastronomy.com/asteroid.htm http://csep10.phys.utk.edu/astr161/lect/com ets/halley.html www.fallofathousandsuns.com/comet- west.html http://csep10.phys.utk.edu/astr161/lect/com ets/halley.html

13. SOURCES OF IMAGES www.kidsastronomy.com apod.nasa.gov astronomycafe.net www.tenfactsabout.co.uk www.tenfactsabout.co.uk wisegeek.com http://disney.wikia.com/wiki/olaf www.dailygalaxy.com