- MasterJh
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- Exalted Legendary Member
The term Glassing, is also known as Plasma Bombardment or Orbital Bombardment, is used to refer to the act by which a Covenant ship or ships bombard a planet from orbit using their Plasma Weaponry. The superheated plasma "bolts" discharge, striking the surface and converting the top soil and other surface geology into a mineral called lechatelierite that is similar to glass, hence its name. The process also vaporizes any bodies of water the planet may possess, or at least reduces the remaining water to pools choked with ash. The ecosystem of a planet is also disposed off through this process. The Covenant have been known to utilize two methods of glassing. The first and the most common method used is when a ship or ships build up plasma along their lateral lines and discharge lances of plasma from orbit, which are guided until they impact the surface. This is repeated until every square centimeter of the planet is destroyed; in most cases it only takes the Covenant twelve hours to glass a planet. The second method is used when a ship must effectively destroy a ground target from low range. This method involves building up plasma from the underside of the ship and then discharging it in a laser beam form; this method of low-range glassing has only been witnessed a few times, most notably during the Battle of Pegasi Delta and the glassing of Voi during the Second Battle of Earth. As a result of the destruction, the atmosphere of most planets have been known to boil away from the process, though not all planets suffer this, the most notable example being Reach.
The impact of the plasma bolt is similar to that of a nuclear detonation on a much different scale. When the plasma bolt impacts the surface, the magnetic field sustaining and guiding the plasma collapses, and, depending on how powerful the release of energy is, the initial zone of impact is obliterated instantly. The areas outside of the initial impact zone are effected by the heat wave generated by the blast; depending on the range, those closest outside of the blast zone are instantly killed by the intense heat. As thermal expansion takes over, the resulting flames fan out and create a pyroclastic surge, which will continue to burn the areas it comes into contact with until it has cooled enough that it cannot harm the surface. Subsequently, the atmosphere is covered with soot and ash thrown up from the initial impact, subjecting the planet to a nuclear winter. As the initial impact area cools, the surface is covered by extensive areas of molten soil, and is comparable to active volcanic sites in some parts of the world, on a larger scale depending on the extent. The destructive process leaves the planet unable to recover to its former state.
Harvest, partially glassed by the Coveant.Throughout the Human-Covenant War, the Covenant aggressors glassed a significant majority of the UNSC's colony worlds from orbit. And although ground forces were invariably deployed first, as UNSC forces were routed in space, the bombardment would commence. The first planet to suffer this fate was Harvest, glassed from the Jiralhanae-operated cruiser Rapid Conversion. It has been noted that areas of interest to the Covenant are left intact for reasons of study or retrieval; however, this is not common, as only three planets have been partially glassed and only when a Forerunner Artifact was discovered. After the Covenant glasses a planet, a shard of glass is removed and placed in the Step of Silence within High Charity, where it hangs with hundreds of other shards from worlds glassed by the Covenant.
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[Edited on 06.19.2009 4:03 AM PDT]