Slide 1What Is…? Slide 2 What is a Meteor? What is a Comet? What is a Star? What is a Nebula? What is an Open Cluster? What is a Black Hole? What is a Quasar? ? ? ? ? Slide…

1.Brad Wahlgren2. Comets Are small cosmic bodies that have an ellipsoidal orbit around the sun Composed of rock, dust, ice, and frozen gasses Comets do not become spherical…

1.Brad Wahlgren 2. Comets Are small cosmic bodies that have an ellipsoidal orbit around the sun Composed of rock, dust, ice, and frozen gasses Comets do not become spherical…

Slide 1Comets The last type of minor solar system object is the one which has been most noticed since deep antiquity… Comet Hale-Bopp in spring of 1997 Slide 2 Reasons…

Slide 1 Chapter 8 Vagabonds of the Solar System Slide 2 What do you think? Were the asteroids a planet that was somehow destroyed? How far apart are the asteroids on average?…

Slide 1What Is…? Slide 2 What is a Meteor? What is a Comet? What is a Star? What is a Nebula? What is an Open Cluster? What is a Black Hole? What is a Quasar? ? ? ? ? Slide…

Slide 1 Astronomy 1 – Winter 2011 Lecture 18; February 16 2011 Slide 2 Previously on Astro-1 Beyond the giant planets –Uranus –Neptune –Pluto and the other TNOs Slide…

Slide 1 Remnants of Rock and Ice Asteroid: a rocky leftover planetesimal Comet: an icy leftover planetesimal Meteoroid: a planetesimal or other object that lands on Earth…

Slide 1 PTYS/ASTR 206Meteorites/Comets 4/27/06 Comets and Kuiper Belt Objects Slide 2 PTYS/ASTR 206Meteorites/Comets 4/27/06 Announcements In-class activity today, course…

Slide 1 Meteorites, Asteroids, and Comets Unit 4 Slide 2 Appearances of comet Kohoutek (1973), Halley (1986), and Hale-Bopp (1997) caused great concern among superstitious.…