Quantcast

Latest Metric expansion of space Stories

Artificial Intelligence Maps The Universe
2012-09-24 11:48:59

Lee Rannals for redOrbit.com - Your Universe Online Astronomers have developed an algorithm that is able to chart and explain accurately the structure and dynamics of the universe. The team developed a new algorithm based on artificial intelligence which provides results that are close to the observed distribution of motion and galaxies. It has been hard for astronomers to explain the distribution of galaxies. Five percent of the universe is made of normal matter, making up the...

shutterstock_63414094
2012-09-18 17:49:27

Lee Rannals for redOrbit.com — Your Universe Online Researchers are finding ways to map out the spread and structure of the universe through the light of quasars. Scientists have developed a technique that could offer up a never before seen look back to a time just after the Big Bang. They found, while analyzing the visible light from a small group of quasars, that patterns of light variation over time were consistent from one quasar to another when corrected for the celestial...

New Data Supports Einstein's Explanation For Dark Matter
2012-04-03 08:07:50

New information obtained by scientists using a 10-meter telescope located in Antarctica has strengthened the most widely accepted explanation for the mysterious force that is behind the increasingly rapid expansion of the universe, according to a pair of press releases published this week. According to a statement from the National Science Foundation (NSF), the most recent South Pole Telescope (SPT) data "strongly" supports Albert Einstein's cosmological constant, said to be the leading...

2012-03-30 08:27:44

Berkeley Lab scientists are leaders of BOSS, the Baryon Oscillation Spectroscopic Survey- They and their colleagues in the third Sloan Digital Sky Survey have announced the most precise measurements ever made of the era when dark energy turned on Some six billion light years ago, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction of all the matter it contained, the universe had been...

Untitled-1
2012-03-29 07:28:38

The Sloan Digital Sky Survey (SDSS-III)  announced the most accurate measurements yet of the distances to galaxies in the faraway universe, giving an unprecedented look at the time when the universe first began to expand at an ever-increasing rate. Scientists from the University of Portsmouth and the Max-Planck Institute for Extraterrestrial Physics will present the new results in a press conference at 10:00 BST on Friday, March 30th at the National Astronomy Meeting in Manchester....

e5e5bd91b64546600d12568abb467fbd1
2011-04-14 06:45:00

One trillion years from now, an alien astronomer in our galaxy will have a difficult time figuring out how the universe began. They won't have the evidence that we enjoy today. Edwin Hubble made the first observations in support of the Big Bang model. He showed that galaxies are rushing away from each other due to the universe's expansion. More recently, astronomers discovered a pervasive afterglow from the Big Bang, known as the cosmic microwave background, left over from the universe's...

35c2d5eeb05343de4daa06cc51328c9d1
2011-03-15 08:05:16

Astronomers using NASA's Hubble Space Telescope have ruled out an alternate theory on the nature of dark energy after recalculating the expansion rate of the universe to unprecedented accuracy. The universe appears to be expanding at an increasing rate. Some believe that is because the universe is filled with a dark energy that works in the opposite way of gravity. One alternative to that hypothesis is that an enormous bubble of relatively empty space eight billion light-years across...

9654d25a63bd2b90659a6f807fc04cf0
2010-09-08 08:20:00

Seven years ago Northwestern University physicist Adilson E. Motter conjectured that the expansion of the universe at the time of the big bang was highly chaotic. Now he and a colleague have proven it using rigorous mathematical arguments. The study, published by the journal Communications in Mathematical Physics, reports not only that chaos is absolute but also the mathematical tools that can be used to detect it. When applied to the most accepted model for the evolution of the universe,...

c34bd09c006aed0ff20abfff068fa7881
2010-03-12 13:10:00

A team led by Princeton University scientists has tested Albert Einstein's theory of general relativity to see if it holds true at cosmic scales. And, after two years of analyzing astronomical data, the scientists have concluded that Einstein's theory, which describes the interplay between gravity, space and time, works as well in vast distances as in more local regions of space. The scientists' analysis of more than 70,000 galaxies demonstrates that the universe -- at least up to a distance...

4b8ecae5e382525018e04652a5698a061
2008-12-19 10:40:00

Earth's location in the Universe is utterly unremarkable, despite recent theories that propose toppling a foundation of modern cosmology, according to a team of University of British Columbia researchers. Polish astronomer Nicolaus Copernicus's 1543 book, On the Revolutions of the Heavenly Spheres, moved Earth from being the centre of the Universe to just another planet orbiting the Sun. Since then, astronomers have extended the idea and formed the Copernican Principle, which says that our...


Latest Metric expansion of space Reference Libraries

Cosmology
2014-01-12 00:00:00

Image Caption: The Hubble Extreme Deep Field (XDF) was completed in September 2012 and shows the farthest galaxies ever photographed by humans. Each speck of light in the photo is an individual galaxy, some of them as old as 13.2 billion years; the observable universe is estimated to contain more than 200 billion galaxies. Credit: NASA/Wikipedia What is Cosmology? I once commented to an acquaintance that I was fascinated by the field of Cosmology, and mused that if I had more time, I...

8_67ff07d77c86523b0eab2955b9ab43e02
2004-10-19 04:45:44

Cosmology -- area of science that aims at a comprehensive theory of the structure and evolution of the entire physical universe. Modern Cosmological Theories Present models of the universe hold two fundamental premises: the cosmological principle and the dominant role of gravitation. Derived by Hubble, the cosmological principle holds that if a large enough sample of galaxies is considered, the universe looks the same from all positions and in all directions in space. The second point...

6_c01dfaf162273609e19b80ea97407cf52
2004-10-19 04:45:42

Redshift -- Redshift is the phenomenon that the frequency of light when observed, under certain circumstances, can be lower than the frequency of light when it was emitted at the source. This usually occurs when the source moves away from the observer, as in the Doppler effect. More specifically, the term redshift is used for the observation that the spectrum of light emitted by distant galaxies is shifted to lower frequencies (towards the red end of the spectrum, hence the name) when...

6_8a4f7f5ee46b1deaa6cadfd732d2b1172
2004-10-19 04:45:41

Accelerating universe -- In the late 1990s, observations of type I supernova produced the unexpected result that the expansion of the universe appears to be accelerating. These observations appear more firm as new data has appeared. This means that the speed with which a distant galaxy recedes from us increases over time. If this trend continues, eventually we won't be able to see any other galaxies any more. This new theory of the end of the Universe has been called the Big Rip....

More Articles (4 articles) »
Word of the Day
glogg
  • Scandinavian punch made of claret and aquavit with spices and raisins and orange peel and sugar.
This word comes from the Swedish 'glogg,' which is an alteration of 'glodgat,' mulled (wine).
Related