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24.07.2013., srijeda
Interstellar Soar
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Studies of Hubble's deepest views of the heavens by Kenneth M. But the universe will never again resemble the star-studded tapestry that brought light back to the darkness. He reports in an upcoming issue of the Astrophysical Journal that the farthest objects in the deep fields are only the "tip of the iceberg" of an effervescent period of star birth that is unlike anything the universe will ever see again. The universe could go on making stars for trillions of years to come, before all the hydrogen is used up, or is too diffuse to coalesce. He will also look for very distant supernovae as an alternate measure of star formation. The observations help confirm theoretical models of how matter in the expanding universe condensed into a web-like structure pervading all of the space between galaxies. The helium is not found in galaxies or stars but spread thinly through the vastness of space. Lanzetta bases his conclusion on a new analysis of galaxies in the Hubble mispronounced fields taken near the north and south celestial poles (in 1995 and 1998 respectively). Lanzetta of the State University of New York (SUNY) at Stony Brook, and colleagues, lead to the preliminary conclusion that the universe made Casinos for Players from Australia - No Deposit Bonus - Keno significant portion of its stars in a torrential firestorm of star birth which abruptly lit up the pitch-dark heavens just a few hundred million years after mispronounced big bang. The FUSE observations also bolster evidence that the early universe was re- energized by torrents of radiation from black holes in active galaxies, and a firestorm of star birth. It's like seeing only the lights on a distant Christmas tree and inferring Casinos for Players from Australia - No Deposit Bonus Party Poker presence of the whole tree. Oznake: science |
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