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Home→Categories Cosmology

Category Archives: Cosmology

Reconstruction of Early Milky Way

Posted on November 15, 2016 by WykenSeagraveNovember 16, 2016
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In one of the most comprehensive multi-observatory galaxy surveys yet, astronomers find that galaxies like our Milky Way underwent a stellar “baby boom,” churning out stars at a prodigious rate, about 30 times faster than today. Our Sun, however, is … Continue reading →

Posted in Cosmology, Galaxies, Milky Way | 1 Reply

Charting the slow death of the universe — ScienceDaily

Posted on August 19, 2015 by WykenSeagraveAugust 19, 2015
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Charting the slow death of the universeDate:August 10, 2015Source:European Southern Observatory – ESOSummary:Astronomers studying more than 200,000 galaxies have measured the energy generated within a large portion of space more precisely than ever before. This represents the most comprehensive assessment … Continue reading →

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Direct Evidence for Inflation Found in Polarisation of CMBR

Posted on March 20, 2014 by WykenSeagraveMarch 20, 2014
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An international collaboration BICEP2 has discovered traces of gravitational waves which existed during the inflationary phase of the creation of the universe, before any of the particles we know today existed. Gravitational waves from inflation generate a faint but distinctive … Continue reading →

Posted in Cosmology | Leave a reply

The simplest inflationary models have passed an exacting test with data from the Planck Satellite

Posted on March 22, 2013 by WykenSeagraveMarch 22, 2013
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181 scientists have worked on the paper issued on 20 March which, following extensive analysis of the data obtained from the Planck Satellite, have concluded that: The simplest inflationary models have passed an exacting test with the Planck data The full … Continue reading →

Posted in Cosmology, Inflation | Leave a reply

NASA calculates Universe is 13.8 billion years old, 100 million years older than previous estimates

Posted on March 21, 2013 by WykenSeagraveMarch 21, 2013
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The Planck space mission has released the most accurate and detailed map ever made of the oldest light in the universe, revealing new information about its age, contents and origins. Planck is a European Space Agency mission. NASA contributed mission-enabling … Continue reading →

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Ultra-distant galaxy discovered amidst cosmic dark ages: May be oldest galaxy ever

Posted on September 19, 2012 by WykenSeagraveSeptember 19, 2012
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Light from the young galaxy captured by the orbiting observatories shone forth when the 13.7-billion-year-old universe was just 500 million years old. via Ultra-distant galaxy discovered amidst cosmic dark ages: May be oldest galaxy ever. … Continue reading →

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Earth-like Planets Formed Billions of Years Before Earth

Posted on June 19, 2012 by WykenSeagraveJune 19, 2012
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ANCHORAGE, ALASKA—If there are other species like us in the universe, theyve probably been around for a lot longer than we have. According to new research presented here today at the 220th meeting of the American Astronomical Society and published … Continue reading →

Posted in Cosmology, Planetary Science | Leave a reply

Powerful black holes slowed star formation in some galaxies

Posted on May 10, 2012 by WykenSeagraveMay 10, 2012
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A survey of galaxies using the European Space Agency (ESA)’s Herschel Space Observatory has shown that only the most powerful black holes in the early Universe were able to quench the formation of stars in their host galaxies. This finding … Continue reading →

Posted in Cosmology, Star formation | Leave a reply

First observational tests of eternal inflation theory

Posted on May 4, 2012 by WykenSeagraveMay 4, 2012
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According to eternal inflation theory, new universes bubble into existence all the time, within a space called the “multiverse”. Hiranya Peiris, a cosmologist at University College London, and her colleagues have now worked out that when bubble universes are created … Continue reading →

Posted in Cosmology, Inflation | Tagged cosmology, inflation | Leave a reply

Observing the galaxy distribution when the universe was half its current age

Posted on March 31, 2012 by WykenSeagraveApril 1, 2012
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BOSS (the Baryon Oscillation Spectroscopic Survey) has just announced the most accurate measurement yet of the distribution of galaxies between five and six billion years ago. This was the key pivot moment at which the expansion of the universe stopped … Continue reading →

Posted in Cosmology, Dark Energy, Expansion of the Universe | Leave a reply
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