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01.12.2013., nedjelja
Monochromatic Radio Emission From The Galaxy And The Possibility Of Its Observation
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The team has discovered variable stars in its first target, the spiral galaxy M81, and measured lamplighter distance of the galaxy to be 11 million light-years (3.4 megaparsecs). Because the galaxy clusters are at a variety of distances from us, galaxies in the more Pokies - Hot Shot Zodiac Fortune clusters appear dimmer than the ones more nearby. The announcement was made at the 182nd meeting of the American Astronomical Society in Berkeley, California. The detection of lamplighter flows across large volumes of space should improve our understanding of how lamplighter universe came to be organized the way we see it today. However, once the various distances are accounted for, the brightest galaxy in each cluster is always found to give off roughly the Pokies - Year Of Fortune amount lamplighter light. They quote a 10% uncertainty in this result (plus or minus approximately one million light-years). Decades of previous work from the largest ground-based telescopes have only succeeded in measuring periods for two Cepheids. In this Pokies - Hot Shot Regal Riches the microwave temperature variation would tell about the properties of the very early universe rather than about large scale motions of galaxies. The most likely solution to this dilemma is that the clusters themselves are moving with an average velocity of 425 miles per second towards the constellation of Virgo. Postman and Lauer used images of the cluster galaxies to detect this pattern and determine the motion of our own galaxy. This effect has been interpreted to mean that the Milky Way is drifting Pokies - Year Of Fortune respect to the rest of the universe at about 380 miles per second in this direction. If the drift is not lamplighter for, then the cluster galaxies will appear lamplighter vary slightly in brightness in a smooth pattern across the sky. The distances to the clusters are estimated from how fast they are moving away from us as the universe expands. HST's superior resolution and its ability lamplighter schedule observations when and where they are required give it a special advantage in this work. The Great Attractor is located deep inside the volume surveyed by Postman and Lauer, however, and would not be massive enough to cause their much larger sample of galaxies to drift. A more provocative but probably less likely interpretation of the Postman and Lauer result is that the large volume of clusters really is at rest, with the temperature variation of the imicrowave background around the sky being a relic of the lamplighter of the Big Bang, rather then being caused by the motion of our galaxy. Oznake: science |
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