Gauging explosion

Rarely the explosion of a supernova “live” through a telescope captures. That’s why this video is so important because it has been filmed one in the galaxy NGC 2442. In fact it was the 2015F, captured in March 2015. As the explosion of a Type Ia supernova (an exploding dwarf the size of Earth ) because it has already consumed the helium (not the hydrogen, helium) in its interior and, by gravity, the lack of it at its core, spreading the entire contents into a large explosion.

The most interesting of such explosions is mainly because this type are used as base (the light generated) to find the distance between Earth and the star because the explosion is standard, ie, always gives the same for the same shapes.

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