8-Asteroids/Comets
"The Asteroid Belt and Ceres" You Tube
"Dawn, Mission to the Asteroid Belt, NASA" You Tube
"What Dawn Spacecraft Discovered, NASA" You Tube
"Giant Asteroid Vesta Amination" NASA
"Falling Star, Shooting Star or Meteor" Star Child NASA
"Barringer Crater, barringtoncrater.com" You tube
"Meteor Barringer Crater" You Tube
"What is a Comet? Monkeysee" You Tube
"Halley's Comet, Kurdistan Planetarium" You Tube