Cosmic Chemistry
In 1572, the Danish astronomer Tycho Brahe was witness to one of the most exciting cosmic phenomena known to exist -- a supernova, or gigantic stellar explosion. Little did he know that this same supernova – which now bears his name – would be so well-studied in later years that astronomers would know such intricate details as its chemical composition. Today the still-brilliant remnants of the Tycho supernova, which is located in the constellation Cassiopeia, has two major observers – the European XMM-Newton telescope and the NASA Chandra X-ray Observatory. These telescopes have, in a matter of months, already uncovered a wealth of data about the exploded star. Most recently, the European telescope has detailed the composition of Tycho, identifying in the supernova remnant many of the same chemical building blocks used to make the planets and life on Earth. Supernovae are some of the most violent events in the universe. They occur at the end of a giant star's life, when the star has used up all of its nuclear fuel. When that happens, the stellar core collapses in on itself, releasing huge amounts of energy into the local interstellar space aroun
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Approximate Word count = 976
Approximate Pages = 4 (250 words per page double spaced)
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