It is precisely the supernovae that created those elements and dispersed them into space.
It is precisely the supernovae that created those elements and dispersed them into space.
It is precisely the supernovae that created those elements and dispersed them into space.
It is precisely the supernovae that created those elements and dispersed them into space.
It is precisely the supernovae that created those elements and dispersed them into space.
It is precisely the supernovae that created those elements and dispersed them into space.It is precisely the supernovae that created those elements and dispersed them into space.It is precisely the supernovae that created those elements and dispersed them into space.It is precisely the supernovae that created those elements and dispersed them into space.
A "supernova" is a nova (Latin "new") explosion of a very large star, creating a nebula of illuminated gas that is one of the most visible of all celestial phenomena.Remember that a star is a nuclear fusion "engine" that is powered by the fusion of lighter elements to create heavier ones (up through iron). As lighter elements are fused to create heavier ones, energy is released in huge quantities. Gravity holds the star together against the outward force of all the fusion reactions, and the star operates in equilibrium. The extreme energy in the star allows for fusion reactions to continue to occur. But eventually the core of the star is largely sulfur and silicon. The contraction and heating of the star's core allows it to begin massively fusing silicon into iron, and this reaction absorbs energy rather than releasing it.At some point, the energy created in fusion is insufficient to hold the star "up" against its own gravity, and, having exhausted its "regular" fuel, it will collapse. This is the supernova process. The star collapses causing the outer layers to violently explode outward as gases and dust. The compression of the body of the star in the collapse creates enormous thermal energy that supports the endothermic fusion reactions that create those trans-iron elements (up through uranium). It all occurs in a relatively short period of time. Afterwards, the remnant core may become a super-compressed neutron star, or even a black hole, if the star is massive enough.Supernovae help enrich the interstellar medium with heavy elements, and shockwaves from the explosion may also trigger star formation. It is believed that the Sun and Solar System formed as a result of a nearby supernova.While a supernova has not been observed from Earth since 1604, supernova remnants indicate that they occur, on average, about once every 50 years.See the links and related questions below for more information
supernovae provide events of known intrinsic luminosity ("standard candles") that can be used for distance measurement to, for instance, nearby galaxies they can also be used to determine when other stars will have a supernova. They are also the death of a star and the birth of a black hole.
The environment is the '' natural selector. ''
Electrons are the particles involved in chemical bonds.
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When creating an original extension to a play, you should be familiar with the play itself.
It is precisely the supernovae that created those elements and dispersed them into space.It is precisely the supernovae that created those elements and dispersed them into space.It is precisely the supernovae that created those elements and dispersed them into space.It is precisely the supernovae that created those elements and dispersed them into space.
They both fuel the engine of genetic diversification by creating changes to the linear structure of Dna.
A story about magic is typically classified as fantasy. Within the fantasy genre, magic can play a central or supporting role in creating a world where magical elements and supernatural abilities exist.
The detail of how a play is made.
waatt role did he play
waatt role did he play
Limited resources such as food, water, or habitat can restrict the size of a population by creating competition among individuals for these resources. Predation, disease outbreaks, and natural disasters can also play a role in limiting population size by reducing the number of individuals in a population.
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Weathring and erosion .
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