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Ingrid Martinez ...Supernovas

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Ingrid Martinez

on 24 May 2011

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Transcript of Ingrid Martinez ...Supernovas

The end Supernovas There are two types of Supernovas Type ll Type l A supernova is a stella explosion, the death of a massive star. They are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months. During this short period, a supernova can radiate as much energy as the Sun is expected to emit over its whole life span. The explosion expels much or all of a star's material at a velocity of up to 30,000 km/s (10% of the speed of light), driving a shock wave into the surrounding interstellar medium. type 1 Breaks down to
type 1 a
Type 1 b
Type 1 c *Lacks a hydrogen signATURE IN THEIR LIGHT SPECTRA Originates from white dwarf stars in a close binary system Type ii *Have a signature of hydrogen in their spectra. Effects Energy from the explosion can create new elements particulary those heavier than iron.. Soooo....................what are supernovas?? Also called Supernovae The gamma rays from the explosion give off a chemical reaction in the upper atmosphere of the Earth. Exposes the Earth's surface to harmful solar and cosmic radiation. Discovery The earliest recorded supernova, SN 185, was viewed by Chinese astronomers in 185 AD. Can be seen with the hubble telescope. The End!!!!! The end!!!!!!!!!!! The End!!! Real Picture of a supernova the gas remains that they leave, residues can be converted into new stars, or in some cases planets.
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