FISSION - Breaking apart of a body into smaller fragments. In nuclear physics, fission refers to splitting of a heavy atomic nucleus into two or more lighter nuclei with an associated release of energy.
Fission hypothesis Early speculation proposed that the Moon broke off from the Earth's crust because of centrifugal forces, leaving a basin - presumed to be the Pacific Ocean - behind as a scar.
Fission Hypothesis
The theory that the moon formed by breaking away from the earth.
Flare ...
Fission
In nuclear physics, the splitting of the atomic nucleus of a heavy element, resulting in the emission of nuclear energy and possibly causing a chain reaction (with similar results) within a mass of the element.
Fission, Nuclear ...
Fission - A nuclear reaction in which a nucleus splits to produce two less massive nuclei
Fission - A possible explanation for the origin of a close binary pair of stars in which a star splits into two pieces, each of which becomes a star ...
Fission is a splitting of something into two parts.Fission may refer to:*In physics, nuclear fission is a process where a large atomic nucleus is split into two smaller particles....
and other physical processes.
In popular culture ...
The Fission Theory: This theory proposes that the Moon was once part of the Earth and somehow separated from the Earth early in the history of the solar system.
[7.0] Fission, Fusion, & Synthesis Of The Elements
[7.1] ATOMIC SYNTHESIS
[7.2] NUCLEAR FISSION ...
Nuclear fission The breaking up of a heavy nucleus in two parts of comparable masses, typically, 1/3 and 2/3 of the original mass, associated with a great release of energy.
FISSION
Nuclear fission is a reaction in which an atom's nucleus is broken apart, releasing a tremendous amount of energy. Nuclear fission is used in many power plants on Earth (and is used in atomic weapons).
Fission
A nuclear process that releases energy when heavyweight atomic nuclei break down into lighter nuclei. Fission is the basis of the atomic bomb.
Flux ...
Fission, Nuclear: The release of nuclear energy by the breaking apart of large, heavy elements (e.g. Uranium) into two or more smaller atoms. Nuclear fission is the basis for so-called A bombs, and for nuclear power reactors.
nuclear fission - (n.)
The splitting of an atomic nucleus into two large fragments.
nuclear fusion - (n.) ...
Nuclear fission
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Theoretical astronomers use a wide variety of tools which include analytical models (for example, polytropes to approximate the behaviors of a star) and computational numerical simulations. Each has some advantages.
Formation by fission from the earth
The modern version of this theory proposes that the moon was spun off from the earth when the earth was young and rotating rapidly on its axis.
fusion-fission hybrid reactors (Plasma Physics and Fusion Energy Glossary) Proposed nuclear reactor relying on both fusion and fission reactions.
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146. Fission Hypothesis
The theory that the moon formed by breaking away from the earth.
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147. Flare
A violent eruption on the sun's surface.
In capturing thermal neutrons unproductively, these atoms decrease the number available to cause fission. Poisson constant (symbol μ) The ratio of the gas constant to the specific heat of a gas at constant pressure.
the early 1950s American researchers produced the hydrogen bomb by inducing fusion reactions in a mixture of the heavy hydrogen isotopes deuterium and tritium, the reactions being ignited by the extremely high temperatures created in the fission ...
another interesting hypothesis, Jupiter (and possibly all of the planets and many of their larger moons) may formed around a rocky core with an inner core of fully crystallized nickel silicide around an inner sub-shell of nuclear decay and fission ...
These may, under suitable conditions, produce further fissions.
Fission of 235U yields a varying number of neutrons depending on the energy of the incident neutrons.
This theory of the genesis of double-stars by fission is not, however, universally accepted; in particular objections have been urged by T. C. Chamberlin and F. R. Moulton.
There are two types possible: fusion and fission. They both transform the nucleus of an atom into another type of nucleus. Fission produces energy by breaking up massive nuclei like uranium into less massive nuclei like helium and lead.
The process of nuclear fusion is related to but different from the process of nuclear fission wherein large atoms are broken apart and the resulting pieces have less mass than the original atom.
A third, older, theory (the daughter, or fission, theory) speculates that the Moon originated out of Earth itself.
It is easy to show the fallacy of the linear no-threshold relationship: Background radiation in our everyday environment does not kill people, yet radiation blasts from nuclear fission events (e.g. worst-case meltdowns or nearby atomic bombs) can ...
The oldest idea involves simple fission. When a new star condenses from the interstellar gases, it spins faster. If the contracting blob is spinning rapidly enough, it can separate or otherwise develop into a pair or stars rather than a single star.
He also adds that this fission process only applies to small, irregular bodies, since large bodies with shapes close to a sphere are not significantly affected by the YORP effect.
Energy is released by the fusion of light elements into heavier elements (elements on the left) or the fission of heavy elements into lighter elements (elements on the right). Iron is the highest element on the graph, and the most stable.
There were three principal theories: co-accretion which asserted that the Moon and the Earth formed at the same time from the Solar Nebula; fission which asserted that the Moon split off of the Earth; ...
This is very similar to what happens in the chain reaction of a fission bomb. Most open clusters, however, do not fit these criteria. There are numerous bright open clusters in the eastern sky this week.
Light Production Light - like any other electromagnetic radiation, results from either an accelerating electric charge or a nuclear fusion or fission reaction.
Heat from JIMO's nuclear fission reactor would be converted to electricity, giving the probe more than 100 times as much power as a non-fission system of comparable weight.
An important fact in nuclear physics is that fission or fusion results in a release of energy if the by-product(s) approach Iron (Fe) in terms of their atomic number. The reaction consumes energy if the by-product(s) go away from Fe.
Antimatter ...
Nuclear powered spacecraft would use nuclear fusion (or possibly fission sometime in the future) to accelerate through space. This is a technology we are familiar with on earth but it also has its dangers.
Future interplanetary missions of the Prometheus Project, including JIMO, the Jupiter Icy Moons Orbiter, are planning to use nuclear fission reactors to produce hundreds of times more electrical power than today's spacecraft, ...
Nuclear reactions (fission or ) leave the nuclei in an unstable state, which then emit gamma-ray lines. In normal stars, all the takes place at their cores, so the Gamma-rays cannot escape unhindered.
The Fission Theory: The Moon was once part of the Earth and somehow separated from the Earth early in the history of the Solar System. The present Pacific Ocean basin is the most popular site for the part of the Earth from which the Moon came.
ENERGY
Energy is the capacity for doing work. Energy can change from one form (heat, chemical, nuclear, potential energy) into another but is always conserved. In nuclear reactions (fission or fusion), mass can be converted into energy.
After the star enters the main sequence stage, energy comes from nuclear fusion, the combination of several small nuclei into a large nucleus. In contrast, the nuclear plants on Earth generate energy by nuclear fission, ...
A helium atom, which has the atomic number 2, will have two of each particle, and so on. Atoms may be broken up (fission) or fused with another (fusion). Any combination of atoms will form a molecule.
A 10-meter (33-foot) body typically has the kinetic energy of about five Hiroshima fission bombs, however, and the shock wave it creates can do considerable damage even if nothing but comparatively small fragments survive to reach the ground.
 See also: Energy, Earth, Time, Mass, Light
  
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