•Meteor
 is seen as streak in sky
 •Meteorite is a rock on the ground
 •Meteoroid
 is a rock in space
  
 •Meteor showers (related to comet orbits) rarely produce meteorites
 –Apparently most comet debris is small and
 doesn’t survive
 reentry
  
 •Meteorites can be “finds” or
 “falls”
 –For a fall – descent actually observed and
 sometimes orbit
 computed
 –Most have orbits with aphelion in asteroid belt