retardation point | has duration zero (it is a point in time) |  |
does not occur for meteoroids heavier than 10 tons they impact with a significant fraction of their cosmic velocity |  |
has altitude inversely proportional to the mass of the meteoroid |  |
has start time shortly after the time of initial contact with atmosphere but before impact |  |
has definition the point in the flight of a meteoroid through the atmosphere where it loses its cosmic velocity and falls freely due to gravity |  |
is a kind of meteor event |  |
impact event | can produce a crater |  |
event | has synonym world point |  |
has time of occurrence |  |