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Home / News / Tags / dark matter
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Stories about: dark matter |
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The Rosetta spacecraft, a European Space Agency (ESA) mission to an asteroid orbiting at the edge of the solar system, is scheduled to make its final flyby today, November 13. It already completed two similar swings, in 2005 and 2007, and the new flight will provide it with a sufficient speed boost to send it to its ... |
13 November 2009
05:49 GMT |
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The standard cosmological model holds that there is a type of matter known as dark matter permeating the Universe, which accounts for the massive discrepancies that exist between how much matter the Universe has, and the amount it should have, according to predictions. Astronomers hypothesized that dark matter should... |
6 November 2009
02:40 GMT |
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An Italian team argued some time ago that it had discovered dark matter, in a statement that shocked the world of astrophysics. However, when other research groups wanted to replicate the experiments, they had a very difficult time doing so. It may be that they will have to reach the same conclusion as the Italians, ... |
4 November 2009
02:47 GMT |
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The “Cosmic Web” is a concept that is often used to refer to the underlying support structure that our Universe has, which we cannot see with our eyes or scientific instruments but know it's there. This web, which is charged with keeping galaxies together, and at times channelling them into superclus... |
3 November 2009
07:01 GMT |
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A new international astronomical cooperation effort, led by experts at the Cardiff University, in the United Kingdom, has brought to light new evidence that the standard cosmological model in use today, which includes the existence of dark matter and dark energy, is in tune with reality. The proof was collected using... |
3 November 2009
03:34 GMT |
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The orbit-based Fermi Gamma Ray Space Telescope may have discovered signs of dark matter colliding with its antiparticles at the core of our galaxy, the Milky Way, its science team reports. Dark matter is a proposed form of matter that was introduced in calculations to try to make sense of the way our Universe behave... |
20 October 2009
03:29 GMT |
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Understanding the current state of the Universe has less to do with analyzing the way things are now, and more to do with finding out how things were in the early days, when the first galaxies and black holes appeared from the chaos that existed after the Big Bang. For this very purpose, experts with the Sloan Digita... |
14 October 2009
15:51 GMT |
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The fly-by technique is a very common one for spacecraft, as they depart from the Earth to other destinations inside the solar system, or beyond. In order to limit the amount of fuel these probes carry, they are set on trajectories that bring them very close to a planet or other celestial body, but without being capt... |
13 October 2009
05:42 GMT |
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According to a new scientific study, it may be that dark matter, the elusive stuff that binds galaxies together, but that cannot be directly observed, does not exist at all. It's either that, or it has a very unusual set of properties, astrophysicists at the University of St Andrews, in the United Kingdom, say. ... |
1 October 2009
10:13 GMT |
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Though no clear evidence documenting the existence of dark matter was ever produced, astronomers believe it exists because, if not, they simply cannot explain phenomena in the Universe. Since the type of matter was first proposed, a number of years ago, all sorts of instruments have been mounted on telescopes, in an ... |
25 September 2009
19:01 GMT |
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In various new-age astronomy theories, dark matter and dark energy play central roles. In spite of the fact that even newer models have demonstrated that some yet-unexplained phenomena do not require the introduction of these elements in the equation, some scientists continue to push on for the creation of instrument... |
3 September 2009
05:51 GMT |
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Over recent years, astronomers have expressed their amazement at the fluxes of electrons and their antimatter counterparts, the positrons, that were recorded throughout the Milky Way. They tried to explain these occurrences by saying that the positrons could be produced by dark matter, but a new investigation sheds l... |
17 August 2009
22:01 GMT |
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According to scientists who went through the massive volumes of data beamed back by the European Space Agency's (ESA) Integral observatory, the peculiar radiations that permeate our galaxy, the Milky Way, are not caused by the elusive dark matter, as previously believed. These types of radiations were identified... |
3 August 2009
02:48 GMT |
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The Fermi telescope has recently brought a new ray of hope into the search of dark matter, as new observation results coincided directly with previous analyses of the elusive stuff. Last year, the observatory combined its data with that obtained by the PAMELA (Payload for Antimatter Matter Exploration and Light-nucle... |
27 July 2009
03:12 GMT |
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Despite the fact that the concept of dark matter has no yet been directly proven, and no amount of it has ever been studied, researchers at the Durham University have recently proposed that the formation of the Milky Way is largely favored by the fact that it was immersed in a large cloud of the elusive matter. That ... |
1 July 2009
05:30 GMT |
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If today's Atlantis launch goes according to plan, and the astronauts aboard the shuttle manage to complete all of their assigned objectives, the Hubble Space Telescope will once again become the most efficient observatory currently in our possession. The five spacewalks that were scheduled for the STS-125 missi... |
11 May 2009
02:31 GMT |
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During 2008, a number of scientific observations conducted in the upper atmosphere and in deep space yielded very promising results for research teams looking for the elusive dark matter around our planet. Large amounts of high-energy electrons were discovered just outside the Earth, and astronomers hypothesized that... |
7 May 2009
14:41 GMT |
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Over the last 20 years or so, astronomers have been continuously looking for the mysterious dark matter, the force that some believe is the engine of the Universe. The vast majority of astrophysicists consider that the stuff is what drives galaxies into clusters and what keeps them in place, providing a scaffolding o... |
6 May 2009
05:09 GMT |
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For quite some time now, astronomers have known that galaxies are not held together in the Universe by gravity alone, but that they are neatly placed along a scaffolding, which holds them and moves them around. After some time, astrophysicists have inferred that this support structure is also responsible for funnelin... |
5 May 2009
02:40 GMT |
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Theories about what happened in the early Universe, after the Big Bang, exist in abundance, but the issue is that no one knows for sure what forces acted on the hot ionized gases that were formed following the greatest explosion ever. That is to say, after the first moment, the Universe was filled with ionized gas, w... |
24 April 2009
08:56 GMT |
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Understanding exactly how supermassive black holes were formed is a long-standing dream that astronomers have, as these behemoths of the skies could be the key to unlocking some of the secrets of the Universe. But, although theories of how they came to be are many, none manages to explain all aspects of these complex... |
23 April 2009
02:34 GMT |
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In a recent collaboration between the Chandra X-Ray Observatory, the Hubble Space Telescope and the Keck Observatory in Hawaii, NASA was able to observe the largest galactic collision ever recorded, taking place some 5.4 billion light-years away from Earth. Four galaxies are involved in the pile-up, and studying them... |
17 April 2009
05:44 GMT |
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While for most people a hot cup of coffee is a reason to get up in the morning, for some scientists it holds the clue to understanding how black holes work and also represents a way of finding the elusive dark matter. A Duke University professor and one of his graduate students realized that the way in which light an... |
15 April 2009
09:01 GMT |
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Finding traces of the elusive dark matter is no easy task, as any astrophysicist scouting all parts of the sky can tell you. In theory, it may be possible to detect it using several means, but, thus far, all efforts have been in vain. It would appear, some say, that the best bet for finding dark matter during this ge... |
2 April 2009
06:08 GMT |
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The team operating NASA's Hubble Space Telescope believes it may have uncovered renewed evidence of the fact that all galaxies are “embedded” in a cocoon of dark matter, the invisible substance that is believed to keep them and clusters all together. During a recent survey of the skies, the observato... |
13 March 2009
10:01 GMT |
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In fact, to be more accurate, several universes, or hidden realities may exist all around us daily, scientists investigating the mysteries of dark matter say. The recent surge in evidence that proves the existence of the elusive substance has forced scientists to reconsider the exact role that dark matter plays in ou... |
5 March 2009
04:04 GMT |
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Astronomers scouting an ancient gas cloud known as the Leo Ring have discovered that the formation houses forming stars, even though it lacks most known necessary elements that support this process, such as heavy elements and dark matter. The scientists have been puzzled by the way the young stars formed, and have hy... |
19 February 2009
03:46 GMT |
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Just today, researchers at the Durham University in the UK released the first computer model of how the Universe must have looked only 500 million years after the Big Bang, right at the time when the first stars and black holes began to take shape. The “Cosmic Dawn” is the name used to describe the format... |
11 February 2009
13:01 GMT |
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Researchers at the Max Planck Institute for Astronomy in Heidelberg, Germany, who have been analyzing the distant J114816.64+525150.3 quasar, have found out that the earliest galaxies, of which one is observable from Earth, are most likely the place for intense stellar formation, in processes up to 1,000 times more m... |
5 February 2009
05:07 GMT |
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An alternative proposal to the dark energy theory is currently gaining a strong foothold in the astronomical community, even though it contradicts one of the most fundamental principles of this discipline, namely that Earth's position in the Universe is not special, and that we are situated in a solar system lik... |
29 January 2009
09:41 GMT |
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The strive to find the mysterious dark matter has been an undertaking that no one returned from successfully, because of the intricate nature of the stuff. In other words, no one can see it, smell it, taste it or touch it, although it resides everywhere around us, and inside us as well. Particle physicists hypothesiz... |
29 December 2008
17:21 GMT |
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A new study performed with the help of the Chandra X-ray Observatory, focused on galaxy clusters, indicated that they are forming at a slower rate than they should be, which is considered a new piece of evidence in the complicated case of dark energy. These results, in tandem with those of previous extensive res... |
17 December 2008
15:41 GMT |
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The current largely adopted view on dark matter implies that it's mostly made of Weakly Interacting Massive Particles (WIMPs). Although these are theoretical massive particles that scarcely interact with regular matter, making them very hard to detect, a huge effort has been made to discover them, on a global sc... |
15 December 2008
15:01 GMT |
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Dark matter continues to remain just that elusive kind of matter much more present than regular one throughout the universe and which has not been observed directly yet. But some progress is being made, at least theoretically speaking, which bodes well for dark matter, since it is a theoretical item. The latest quest... |
8 December 2008
06:00 GMT |
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A sample load of high-energy electrons collected from above Antarctica may provide hints of the existence of the mysterious dark matter or, as the theory goes, of an enigmatic celestial object, such as a pulsar or a microquasar that lurks in the astronomical vicinity of our planet's pole. After performing a seri... |
20 November 2008
03:02 GMT |
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According to a Reuters article, a recent vast-scale simulation of the creation and evolution of a Milky Way-type of galaxy has indicated some potential places in space where scientists should search for dark matter. Although the existence of the matter that forms a huge part of the universe has been known for a long ... |
6 November 2008
09:17 GMT |
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The fact that the Large Hadron Collider is shut down until next year doesn't mean that discoveries in the field of quantum particle physics aren't deployed anymore. As such, researchers operating the old Tevatron device from the American Fermilab laboratory in Batavia (Illinois) stumbled upon a strange new ... |
4 November 2008
08:21 GMT |
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Galaxies still generate a far larger amount of questions than the answers they provide to scientists, ever since people first turned their attention towards outer space. Although several theories have been issued related to the process that leads to their formation, the exact paths and factors that influence said pr... |
28 October 2008
11:52 GMT |
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A major step in the actual discovery of dark matter, or at least a honing of the discovery process, was performed by the PICASSO project taking place at SNOLAB, in Canada. Scientists came upon a method to refine the search by finding that, under certain conditions, dark matter's WIMPs yield different acoustic si... |
16 October 2008
09:40 GMT |
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A recent study indicates that there are stars in the proximity of the Milky Way's core that feed on dark matter, thus prolonging their lifespan with more than a billion years. Finding them would possibly help understanding what dark matter really is and how exactly it functions.Although responsible for 22% of th... |
3 October 2008
05:47 GMT |
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A small number of scientists defines space dust as the observable portion of dark matter. Space dust is comprised of small particles (about 0.1 mm) which reflect light on a very large scale. This is what can be seen of dark matter, not observable directly, but its hypothetical effects have been noticed.Space dust, al... |
3 October 2008
03:19 GMT |
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Speculations and calculations on Nobel prizes for this year indicate that these may go to scientists involved in fields like dark matter proving, graphene (thinnest material) developing, economical theories translations, fish chemicals adaptation, nanowires and nanomaterials. These calculations are based on researche... |
2 October 2008
03:10 GMT |
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So far, this seems to be the dimmest galaxy in the universe ever discovered. Shining only with the brightness of less than 350 suns, which is very little for an entire galaxy, it is believed to be filled with dark mater in enormous quantities. Segue 1, as it is called, is one of only about 2 dozen dwarf galaxie... |
19 September 2008
06:14 GMT |
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This hypothetical form of energy is supposed to fill all the space and it continuously pushes its elements apart, increasing the universe's expansion rate. It is one of the most important things that LHC scientists are eager to prove. The standard model of cosmology claims that the universe is comprised 74%... |
11 September 2008
04:10 GMT |
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Results of computer simulations carried out at the Nagoya University, Japan show that, in the outcome of the tremendously energetic event that gave rise to what we now call the universe, ripples propagating through matter caused clouds of gas to condense and collapse, so as to form the first objects to shine visible ... |
1 August 2008
03:49 GMT |
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The construction of the 12 observation lines of the first underwater neutrino telescope, Antares, is now complete and for more than a month now, two of the observation lines have been operational, continuously looking for any sign of neutrino particles coming from out of space. Antares is part of the European Antares... |
5 July 2008
04:12 GMT |
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One of the most expected launches of the year was carried out yesterday at approximately 12:05 pm EDT from NASA's Launch Complex 17-B at the Cape Canaveral Air Force Station, with the help of a Delta II rocket. The newest high-energy gamma-ray space observatory GLAST was launched into space and inserted into Ear... |
12 June 2008
03:43 GMT |
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Our galaxy contains about 1 trillion solar masses, says a recent estimation regarding the weight of the Milky Way. All previous estimates showed that the galaxy has a mass ranging between 750 billion to over 2 trillion times that of our Sun, the latter being slightly favored and probably closest to the true weight. H... |
28 May 2008
03:51 GMT |
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NASA's GLAST satellite, or the Gamma-ray Large Area Space Telescope, set to study the universe at its highest energies was scheduled for launch on June 3rd, between 11:45 a.m. and 1:40 p.m. EDT from the Launch Complex 17 at NASA's Cape Canaveral Air Force Station. GLAST will be carried into space with the h... |
26 May 2008
09:35 GMT |
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The Search for Extraterrestrial Intelligence, or SETI for short, has been surveying transmissions that would hopefully turn out be a sign from ET for the last couple of decades or so, although nobody seems to be calling. Now scientists believe that this may have something to do with the fact that we're only look... |
22 May 2008
04:38 GMT |
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