ejecta
Ejecta is material ejected from a planetary body or astronomical object by an explosive or high-energy process, such as hypervelocity impacts, volcanic eruptions, or stellar explosions.
On planetary surfaces, ejecta forms the immediate ejecta blanket around a crater, plus rays and secondary craters
Ejecta from impacts can include rocks, mineral grains, glassy droplets, and dust, with particle sizes from fine
Primary ejecta is material expelled in the initial event; secondary ejecta results from later collisions of
Volcanic ejecta, such as ash clouds, pumice, and bombs, is a separate source that blankets surrounding areas.
Terrestrial tektites are glassy ejecta formed when molten droplets are ejected during meteorite impacts and solidify
In astronomy, ejecta from supernovae or other stellar explosions expands into space, enriching the interstellar medium