WHAT ARE COMETS AND ASTERIODS? HOW DO THEY FORM?

By: Maria Angelika E. EspenoEnvi Sci 7

Things we are going to discuss:

• Comets Asteroids 1. Examples 1. Examples

2. Formation 2. Formation

Awww.kidsastronomy.com www.kidsastronomy.com

What are “Comets”

• planetesimal • “dirty snowball”• Oort Cloud & Kupier Belt• Long haired starHow is a comet formed?created by the collapse of a giantdiffuse of cloud dust 4.6B years ago

Examples of Comets

• Comet West• Comet Halley

Comet Halley

• Edmund Halley

Comet West• November 5, 1975•Richard West

What is an asteroid?

• Large rock in outer space• “planetoid”• THE ASTEROID BELT:• Contains 40,000 asteroids• Found in between Mars and Jupiter

Examples of Asteroids

• Ida & Dactyl• 2001KX76

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Ida & Dactyl

• Ida- A unique asteroid• Dactyl- Ida’s moon

2001 KX76

• Also known as “The New Asteroid King”

apod.nasa.gov

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!

SOURCES OF INFORMATION

• http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/asteroids.html

• //www.kidsastronomy.com/comets.htm• //www.kidsastronomy.com/asteroid.htm

http://csep10.phys.utk.edu/astr161/lect/comets/halley.html www.fallofathousandsuns.com/comet-west.html

SOURCES OF IMAGES

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