question: How come an explosion in space does not go on infinitely?
comment: They do, but they get so spread out that it's no longer noticeable. The sun is a giant continuous explosion, but at our distance from it the energy is so spread out it's around 130 Celsius, and once you get to Mars it's just around 0 Celsius (the atmospheres of Earth and Mars are what make the surface temperature in direct sunlight different from these values).
passages: In a different solution to these problems, a few mathematicians have devised alternate theories of logic called paraconsistent logics, which eliminate the principle of explosion. These allow some contradictory statements to be proved without affecting other proofs.
  
  Section::::Symbolic representation.
  
  In symbolic logic, the principle of explosion can be expressed schematically in the following way:
  
  formula_1
  
  Section::::Proof.
  
  Below is a formal proof of the principle using symbolic logic
   In fact, the combustion of explosive substance results with a comparative rapidity in large 
  
  quantity of gases possessing a huge energy at the instance of their formation. But can one use 
  
  the energy of gases, formed by explosive ignition, to perform work of any duration? This is 
  
  possible only if the huge energy of explosive combustion, rather than last instantaneously, 
  
  will be generated during a more or less prolonged period of time."
  
  Section::::External links.
  
  BULLET::::- Croft, Lee B. Nikolai Ivanovich Kibalchich: Terrorist Rocket Pioneer. IIHS. 2006. .
  
  BULLET::::- Encyclopedia of Astrobiology, Astronomy and Spaceflight
   When stars die, supernova explosions, similarly, drive blast waves that can reach even larger sizes, with expansion velocities up to several hundred km s. Stars in OB associations are not gravitationally bound, but they drift apart at small speeds (of around 20 km s), and they exhaust their fuel rapidly (after a few millions of years). As a result, most of their supernova explosions occur within the cavity formed by the stellar wind bubbles. These explosions never form a visible supernova remnant, but instead expend their energy in the hot interior as sound waves. Both stellar winds and stellar explosions thus power the expansion of the superbubble in the interstellar medium.
   The speed of the reaction is what distinguishes an explosive reaction from an ordinary combustion reaction. Unless the reaction occurs very rapidly, the thermally expanding gases will be moderately dissipated in the medium, with no large differential in pressure and there will be no explosion. Consider a wood fire. As the fire burns, there certainly is the evolution of heat and the formation of gases, but neither is liberated rapidly enough to build up a sudden substantial pressure differential and then cause an explosion. This can be likened to the difference between the energy discharge of a battery, which is slow, and that of a flash capacitor like that in a camera flash, which releases its energy all at once.
   The metamathematical value of the principle of explosion is that for any logical system where this principle holds, any derived theory which proves ⊥ (or an equivalent form, formula_16) is worthless because "all" its statements would become theorems, making it impossible to distinguish truth from falsehood. That is to say, the principle of explosion is an argument for the law of non-contradiction in classical logic, because without it all truth statements become meaningless.
  
  Section::::See also.
  
  BULLET::::- Consequentia mirabilis – Clavius's Law
  
  BULLET::::- Dialetheism – belief in the existence of true contradictions
   There can be "refreshed" shocks if the central engine continues to release fast-moving matter in small amounts even out to late times, these new shocks will catch up with the external shock to produce something like a late-time internal shock. This explanation has been invoked to explain the frequent flares seen in X-rays and at other wavelengths in many bursts, though some theorists are uncomfortable with the apparent demand that the progenitor (which one would think would be destroyed by the GRB) remains active for very long.
  
  Section::::Jet effects.
   The Sentry Risk Table estimates that Apophis would make atmospheric entry with 1200 megatons of kinetic energy. The impacts that created Meteor Crater or the Tunguska event are estimated to be in the 3–10 megaton range. The biggest hydrogen bomb ever exploded, the Tsar Bomba, was around 57 megatons while the 1883 eruption of Krakatoa was the equivalent of roughly 200 megatons. In comparison, the Chicxulub impact has been estimated to have released about as much energy as 100,000,000 megatons (100 teratons).
   Meanwhile, a ship is headed for Ganymede to pick up Orloff and return him to Earth. A conversation between the ship's Captain and a technician reveals that this ship utilizes force-field technology in an ingenious way, which the scientists on Ganymede have not thought of. By trial and error the technician discovered that the field explodes, losing an arm and an eye in the process. However he has circumvented this by turning the field on and off at a high frequency, so it is never on long enough to explode, but is never off long enough to lose air.
   Section::::Causes.:Natural.:Astronomical.
   A high explosive bomb is one that employs a process called "detonation" to rapidly go from an initially high energy molecule to a very low energy molecule. Detonation is distinct from deflagration in that the chemical reaction propagates faster than the speed of sound (often many times faster) in an intense shock wave. Therefore, the pressure wave produced by a high explosive is not significantly increased by confinement as detonation occurs so quickly that the resulting plasma does not expand much before all the explosive material has reacted. This has led to the development of plastic explosive. A casing is still employed in some high explosive bombs, but with the purpose of fragmentation. Most high explosive bombs consist of an insensitive secondary explosive that must be detonated with a blasting cap containing a more sensitive primary explosive.
   Helland points out the failure of the July 1952 prediction channeled through Van Tassel that life on Earth will be destroyed “when they explode the hydrogen atom” because in November 1952 the first H-bomb was detonated with no such effect. However, the same message also stated that Ashtar was intervening to stop the destruction of the planet. After the explosion, ensuing messages claimed that various actions were taken by the space fleet to repair damage.
   [A]fter the rocket quits our air and really starts on its longer journey, its flight would be neither accelerated nor maintained by the explosion of the charges it then might have left. To claim that it would be is to deny a fundamental law of dynamics, and only Dr. Einstein and his chosen dozen, so few and fit, are licensed to do that. ... Of course, [Goddard] only seems to lack the knowledge ladled out daily in high schools.
   There are a number of other factors to consider that prompted the end of FOBS deployment in the Soviet Union:
   Some years later, Legion member Brainiac 5 went insane (originally due to stress, a later retcon suggested it was induced by Glorith). Feeling he had never been sufficiently compensated for the many times he had saved the cosmos, in his insanity he decided to destroy it as payment. Retrieving the miracle machine, he could have easily destroyed the earth, perhaps even the galaxy, but not the entire cosmos. As he put it, he couldn't "dream a death that large," but he could dream up a being that could.
   where formula_6 is the altitude of the burst in feet. So the same burst at will be at a pressure of about 0.1 atmospheres, resulting in a fireball on the order of in diameter, about twice the size of one near the ground. For a high altitude burst, say , the fireball will expand to about in diameter.
  
  Section::::Bomb effects.:Outside the atmosphere.
   Helena Russell, dictating her log, explains that Alpha has been repeatedly subjected to explosions that recur every twelve hours. "As we move closer, each succeeding shock wave is more violent." The eye of the explosion is a planet, but the shock waves are traveling only toward the moon, and not damaging the planet. The theory: an intelligence is warning the Alphans to stay away. Koenig, Alan, and launch Eagle 1 to investigate.
   Victor Bergman protests; the timeline must be preserved in order to avoid their being caught in radiation and debris from the explosion. Circumstances worsen when Carter finally arrives at his designated site. After lowering the charge, the release mechanism for the cargo grip jams—the explosive cannot be deployed. Agonising over this latest setback, Koenig informs the astronaut that the charge "must" remain on site...at any cost. Desperate, Carter shorts the grip mechanism, then manoeuvres his ship until the charge is dislodged. As Eagle One departs at a modest speed, Koenig delays the blast another ten seconds to give the astronaut a fighting chance.
   In a simple view, releasing one's hand from a hammer causes the hammer to fall. However, doing so in outer space does not produce the same outcome, calling into question if releasing one's fingers from a hammer "always" causes it to fall. 
   The so-called Sedov-Taylor solution has become useful in astrophysics. For example, it can be applied to quantify an estimate for the outcome from supernova-explosions. The Sedov-Taylor expansion is also known as the 'Blast Wave' phase, which is an adiabatic expansion phase in the life cycle of supernova. The temperature of the material in a supernova shell decreases with time, but the internal energy of the material is always 72% of E, the initial energy released. This is helpful for astrophysicists interested in predicting the behavior of supernova remnants.
  
  Section::::Applications.:Research.
   In the KS model, it can be shown that suitable initial conditions exist that set the massive mode to zero for all time. Alternatively, when the mass scale of the massive mode becomes large, its effects are greatly suppressed. In the limit of an infinite mass scale for the massive mode, the KS model is found to be equivalent to Einstein–Maxwell theory in a fixed axial gauge.
   BULLET::::- In the 2007 "Doctor Who" mini-episode "Time Crash", after their two versions of the TARDIS merge at the same space-time coordinates, the Fifth and Tenth Doctors save their TARDIS from the massive black hole caused by the paradox by creating a supernova at the same exact instant.
   BULLET::::2. formula_5 [formula_6], if p is true then it is implied by every q. By analogy with formula_3 being referred to as 'explosion', this could be referred to as 'implosion'. In these cases, the statement formula_8 is said to be vacuously true.
   For purely exoatmospheric explosions, the betas causing the blackout disk are continually produced by the fission events in the bomb debris. This is subject to the half-life of the reactions, on the order of seconds. In order to maintain a blackout, one needs to satisfy the equation:
  
  formula_20
  
  To create a complete blackout, with 10 free elections per cubic centimeter, requires about 10 tons of fission products per square kilometer. This can be achieved with a single typical 1 Mt bomb.
  
  Section::::Blackout and missile defense.
   A slow high explosive is too fast, but the flying plate of an "air lens" is not. A metal plate, shock-deformed and pushed across an empty space, can be designed to move slowly enough. A two-point implosion system using air lens technology can have a length no more than twice its diameter, as in the Swedish diagram above.
  
  Section::::Fusion-boosted fission weapons.
   Another important property of the isotropic model is the inevitable existence of a time singularity: time flow is not continuous, but stops or reverses after time reaches some (very large or very small) value. Between singularities, time flows in one direction: away from the singularity (arrow of time). In the open model, there is one time singularity so time is limited at one end but unlimited at the other, while in the closed model there are two singularities that limit time at both ends (the Big Bang and Big Crunch).
  
presuppositions: Explosions in space are not continuous. Explosions in space don't travel infinitely. 
corrections: The sun is a continuous explosion. Explosions in space do travel but due to how they spread they're unnoticeable. 
raw_presuppositions: Explosions in space are not continuous. Explosions in space don't travel infinitely. 
raw_corrections: The sun is a continuous explosion. Explosions in space do travel but due to how they spread they're unnoticeable. 