Ejecta

Ejecta blankets settle asymmetrically around their craters, but fast-moving ejecta that escapes from the asteroid is permanently lost.

However, that stellar ejecta may be asymmetrically balanced, resulting in a recoil called a "natal kick" that propels a newly formed neutron star at high speeds.

Will revenge be served cold, or does Ejecta have one last trick up her sleeve?

And from the foetid depths of this fusty ejecta – sourced in the 1990s during an outbreak of winter dysentery – the Ohio study sequenced none other than the full-length genome of a coronavirus.

Life becomes such a never-ending sequence of larger wars against viscous effluent and bodily ejecta, smaller battles soon seem pointless.

The probe is expected to make a brief touchdown on an area some 20 metres away from the centre of the crater to collect the unidentified materials believed to be "ejecta" from the blast.

Although the energy that disrupts each type of supernovae is delivered promptly, the light curves are mostly dominated by subsequent radioactive heating of the rapidly expanding ejecta.

A notable basin is the 400 km wide, multi-ring Tolstoj Basin that has an ejecta blanket extending up to 500 km from its rim and a floor that has been filled by smooth plains materials.

As ejecta escapes from the growing crater, it forms an expanding curtain in the shape of an inverted cone; the trajectory of individual particles within the curtain is thought to be largely ballistic.

As such there is a discontinuity in the definition of the VEI between indices 1 and 2. The lower border of the volume of ejecta jumps by a factor of 100 from convert while the factor is 10 between all higher indices.

Beethoven Basin has a similar-sized ejecta blanket and a 625 km diameter rim.

Breccia of this type may be present on or beneath the floor of the crater, in the rim, or in the ejecta expelled beyond the crater.

By comparison, when Mount St. Helens erupted in 1980, it released ~1.2 km 3 (DRE) of ejecta.

Ejecta blocks constitute the largest pieces of the regolith.

Ejecta from the meteorite impact was found in the Rove Formation in May 2007.

Ejecta thrown out of the crater do not include material excavated from the full depth of the transient cavity; typically the depth of maximum excavation is only about a third of the total depth.

However, it may have formed more recently, perhaps as ejecta from a large impact on Ida.

In type Ia white dwarf detonations, most of the energy is directed into heavy element synthesis and the kinetic energy of the ejecta.

It is easy for the impact ejecta to be lost from these satellites into space.

Its streets, squares, and walls were preserved in the layers of ejecta, sometimes as tall as eight metres, indicating this was a major town.