Meteors may occur in [http://en.wikipedia.org/wiki/Meteor_shower showers], which arise when the [[Earth]] passes through a trail of debris left by a [[comet]], or as "[[random]]" or "sporadic" meteors, not [[associated]] with a specific single [[cause]]. A [[number]] of specific meteors have been [[observed]], largely by members of the [[public]] and largely by [[accident]], but with enough detail that [[orbits]] of the incoming meteors or meteorites have been [[calculated]]. All of them came from orbits from the vicinity of the [http://en.wikipedia.org/wiki/Asteroid_belt asteroid belt].[http://en.wikipedia.org/wiki/Meteor#Meteor] | Meteors may occur in [http://en.wikipedia.org/wiki/Meteor_shower showers], which arise when the [[Earth]] passes through a trail of debris left by a [[comet]], or as "[[random]]" or "sporadic" meteors, not [[associated]] with a specific single [[cause]]. A [[number]] of specific meteors have been [[observed]], largely by members of the [[public]] and largely by [[accident]], but with enough detail that [[orbits]] of the incoming meteors or meteorites have been [[calculated]]. All of them came from orbits from the vicinity of the [http://en.wikipedia.org/wiki/Asteroid_belt asteroid belt].[http://en.wikipedia.org/wiki/Meteor#Meteor] |