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 | |