Determination of Velocity and Radius of Supernova Remnant after 1000 yrs of Explosion


Supernova explosions are described as very violent events which transfer a significant amount of energy to interstellar media and are responsible for a large variety of physical processes. This study does not discuss the actual explosion mechanisms but follows the behavior of the dynamical evolution of some selected type I and type II supernova remnant and particularly after a thousand years from their explosion and shows how the density of the medium affects the evolution and the lifetime of each remnant. By studying such behaviors, a simplified model has been proposed here for the velocity and radius of the remnant after thousand years of explosion that depends only on the density of the medium and age of the remnant. It has been found that all types of supernova remnants have similar behaviors after a thousand years from their explosion despite their origin formation. Moreover, it is demonstrated that, when those selected remnants have entered or will enter into their radiative phase, an idea on their physical properties will be obtained.

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Chiad, B. , Ali, L. and Hassani, A. (2015) Determination of Velocity and Radius of Supernova Remnant after 1000 yrs of Explosion. International Journal of Astronomy and Astrophysics, 5, 125-132. doi: 10.4236/ijaa.2015.52016.

Conflicts of Interest

The authors declare no conflicts of interest.


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