Burst mode (firearm) — In automatic firearms, burst mode or burst fire is a firing mode enabling the shooter to fire a predetermined number of rounds (usually 3; sometimes 2 or 4) at a time with a single pull of the trigger this firing mode is commonly used in… … Wikipedia
fallout safe height of burst — The height of burst at or above which no militarily significant fallout will be reproduced as a result of a nuclear weapon detonation. See also types of burst … Military dictionary
safe burst height — The height of burst at or above which the level of fallout or damage to ground installations is at a predetermined level acceptable to the military commander. See also types of burst … Military dictionary
high altitude burst — The explosion of a nuclear weapon which takes place at a height in excess of 100,000 feet (30,000 meters). Also called HAB. See also types of burst … Military dictionary
nuclear burst — See types of burst … Military dictionary
nuclear exoatmospheric burst — The explosion of a nuclear weapon above the sensible atmosphere (above 120 kilometers) where atmospheric interaction is minimal. See also types of burst … Military dictionary
nuclear underground burst — The explosion of a nuclear weapon in which the center of the detonation lies at a point beneath the surface of the ground. See also types of burst … Military dictionary
nuclear underwater burst — The explosion of a nuclear weapon in which the center of the detonation lies at a point beneath the surface of the water. See also types of burst … Military dictionary
Gamma ray burst progenitors — are the types of celestial objects that can emit gamma ray bursts (GRBs). GRBs show an extraordinary degree of diversity. They can last anywhere from a fraction of a second to many minutes. Bursts could have a single profile or oscillate wildly… … Wikipedia
Gamma ray burst — [ GRB 990123 taken on January 23, 1999. The burst is seen as a bright dot denoted by a square on the left, with an enlarged cutout on the right. The object above it with the finger like filaments is the originating galaxy. This galaxy seems to be … Wikipedia