A meteor striking the Earth or other
object may produce an impact crater.Meteor dust particles left
by falling meteoroids can persist in the atmosphere for up to
several months. These particles might affect climate, both by
scattering electromagnetic radiation and by catalyzing chemical
reactions in the upper atmosphere.
The
cause of naming
To observes on the Earth, the meteor shower
look like sends out from one point in the nighttime of the sky.This
point of the scrap of the sky is called the radiant of the meteor
shower.People usually names by the scrap of the sky of the radiant
of the meteor shower 's constellation.
