(Planetary nebulae are the glowing material ejected by red giant stars.)

Volcanic ash, the material ejected by a volcano.

Objects with large mass have enough gravity to retain any material ejected by a violent collision.

Scientists said this material, which reflects almost a third more light than surrounding areas, could be subsurface material ejected from impact craters.

In 2002, two Russian astronomers determined that material ejected from the comet in 1825 was responsible for the 1998 outburst.

Observations of material being ejected from the nucleus allowed astronomers to establish its rotation period.

The material ejected during a meteorite impact is lifted to the upper atmosphere, where winds transport the material toward the west.

Nowadays, all the observational characteristics are explained with a gaseous disk that is formed of material ejected from the star.

These small craters were most likely created by material ejected from the Inktomi impact at a steep angle.

The main ring is probably made of material ejected from the satellites Adrastea and Metis.