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 around it



	The Creation of the Universe: Design vs. the Bang .... between 10 billion and 20 billion years ago from a cosmic explosion that .... Dr. "Fritz" Schaefer is the Graham Perdue Professor of Chemistry and the director of .... (1321 5 )

	Frankenstein: The Modern Prometheus .... at the University, "From this day natural philosophy, and particularly chemistry, in the .... held out hope that man could use these secrets to gain cosmic power. .... (3377 14 )

	Astronomy vs. Astrology .... but the Sun appears in Pisces on that date. " (The Cosmic Perspective Second .... bodies move through space and is based on physics, mathematics, and chemistry. .... (796 3 )

	What Is Life? .... that life began with a cosmic egg and from that spurned many different living things. Some people also believe that life came through chemistry and that amino .... (370 1 )

	J. Robert Oppenheimer .... While at Harvard, he excelled in Latin, Greek, physics, and chemistry. .... Oppenheimer made contributions to the cosmic ray theory, quantum mechanics, atomic theory .... (1284 5 )

But what about the heavier elements such as gold and platinum? The answer may lie in yet another of the more violent events in the Universe: collisions between superdense neutron stars. "Probably many of the heavy elements we're familiar with on Earth were made in this way," says Stephan Rosswog of the University of Leicester.

Some topics in this essay:
Star, Supernova, Galaxy, Neutron Star, Interstellar Medium, Tycho Brahe, White Dwarf, Sun, NASA, Chandra,

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PROFESSIONAL ESSAYS:

Art Forgeries .... of an artifact" (1). Chemical analysis, carbon-14 dating, and other chemistry techniques are .... carbon is created when nitrogen-14 is bombarded by cosmic rays in .... (1391 6 )

Contact: Religious Themes in the Film .... reorders her material priorities to make herself more available to cosmic unconditionality. .... there is existence for number or color or beauty or chemistry or .... (2583 10 )

God .... no more or less significant than a grain of sand, a spec of cosmic dust. .... They alter the brain chemistry to create a reality that is no less believable to the .... (3610 14 )

The Denial of Death .... too, with its emphasis on smoothing things out and better living through chemistry. .... not on more therapeutic denial, but on a turn toward cosmic stories which .... (1527 6 )

Six Fragments of Heraclitus .... intuitions about the universe, and from time to time cosmic mystery or .... cosmology, pre- versus post-Darwinian biology, alchemy versus chemistry, or Newtonian .... (2926 12 )

Mankind and Creation .... shouldest magnify him?" In other words, is it not a great cosmic/divine joke .... purpose is to show that human technology and man-made chemistry, which definitely .... (4141 17 )

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