Articles tagged with Universe
The European Space Agency has adopted the largest astronomy collaboration to build the Euclid satellite, which will study the dark universe with great precision. The mission will trace the distribution and evolution of dark matter and dark energy throughout the Universe.
Researchers narrow down possible masses for neutrino, a tiny particle that rarely interacts with matter, using sensitive detectors buried underground. The new data suggests a neutrino cannot be more massive than about 0.140 to 0.380 electron volts.
Researchers at Arizona State University have discovered a faint infant galaxy 13 billion light-years away, revealing insights into the early universe's formation. The team, led by Sangeeta Malhotra and James Rhoads, identified the galaxy using a unique technique that allows for sensitive searches in infrared wavelengths.
Researchers have discovered an additional third of atomic hydrogen gas in galaxies, which could impact star formation rates. The findings suggest that galaxies are forming stars at 20 times the rate they did billions of years ago.
A recent study proposes that up to 100,000 nomad planets might exist in the Milky Way Galaxy for every star, with an estimated quadrillion number of total nomads. If confirmed, this could mean nomad planets play a significant role in the universe.
Astronomers have identified two 11- to 12-billion-year-old white dwarf stars, the oldest and closest known to Earth. Located 100 light years away, these stars are believed to be among the first formed in the Universe soon after the Big Bang.
Researchers found that current estimates of ice-giant planetary interiors overstate water's compressibility by as much as 30 percent. Accurate estimates are essential to calculate the evolution of the universe and model the composition of planets like Neptune and Uranus.
Researchers used Chandra X-ray Observatory and other telescopes to map dark matter in galaxy cluster Abell 383. The study found a stretched-out, football-like shape of dark matter, with the point aligned close to the line of sight. The results challenge standard models and suggest further research is needed to resolve the discrepancy.
An international team of physicists has detected and measured the transformation of one type of neutrino into another, a finding that may help explain the universe's matter-antimatter imbalance. The discovery was made using the Daya Bay Reactor Neutrino Experiment in southern China.
The Daya Bay Reactor Neutrino Experiment detects a strong signal of a new type of neutrino oscillation, measuring the mixing angle theta one-three with unmatched precision. The results indicate that sin2 θ13 is equal to 0.092 plus or minus 0.017.
Professor Stephen Smartt will lead a €2.3 million research project to discover how the first chemical elements were created in the Universe. The goal is to find the first ever supernovae, or exploding stars, in the Universe and understand their role in creating these elements.
A team of researchers from MIT has detected tellurium, a rare Earth element, for the first time in three ancient stars. The finding supports the theory that tellurium and other heavy elements likely originated from a rare type of supernova during nuclear fusion.
Using Star Trek's advanced technologies as a gateway to explore fundamental physics concepts, ASU Professor Lawrence Krauss engages lay audiences and sparks their interest in science. He examines the feasibility of phenomena like wormholes, warp drives, and time travel within our current understanding of physics.
Astrophysicists have uncovered new questions and clarified previous theories about gamma-ray bursts using the Fermi Gamma-Ray Space Telescope. The telescope's unique view allows it to capture the highest energy portion of these bursts, which are difficult to detect due to their brief duration and narrow radiation patterns.
These powerful telescopes enable forefront research in astrophysics, unlocking the secrets of star- and planet-formation processes. The new facilities will study gas and dust motion around young stars, testing theories of planet formation.
Researchers studied a galaxy cluster 5 billion light years away, finding that it has passed through each other without collision. The study revealed that most of the dark matter had also passed through, but gas clouds collided, creating a huge cloud of superheated gas.
A team of astronomers has discovered the largest galaxy cluster ever seen in the distant Universe, nicknamed El Gordo. The cluster consists of two separate subclusters colliding at high speeds and is so far away that its light has travelled for seven billion years to reach Earth.
Researchers analyzed neutron decay patterns, placing constraints on theories explaining the universe's matter-antimatter imbalance. While no clear answer emerged, improved detector sensitivity limited possible explanations, offering a fresh perspective for future investigations.
Complex organic compounds found throughout Universe contain aromatic and aliphatic components, resembling coal and petroleum. Stars produce these compounds on short time scales, ejecting them into interstellar space.
A new survey suggests that many Type Ia supernovae result from the merger of two white dwarf stars, challenging previous theories about their origins. The study, which analyzed data from distant exploding stars, found that these events may be more common than previously thought and could provide insights into the history of the universe.
A team of researchers from Tel Aviv University has uncovered a record-breaking number of ancient supernovas in the Subaru Deep Field. These explosions are believed to be a major source of iron in the universe, including the Earth's core and blood.
Astronomers have discovered a correlation between gravitational wave events and radio flares, enabling them to pinpoint the source of these cosmic occurrences. By analyzing surrounding interstellar material, researchers can verify that detected gravitational waves come from specific regions of space.
Astrophysicists have measured how light is affected by gravity on its way out of galaxy clusters, confirming the general theory of relativity. The observations show that the gravitational redshift of light is proportionally offset in relation to the galaxy cluster's gravity.
Astronomers have found supermassive black holes in small distant galaxies, suggesting that central black holes formed early in galaxy evolution. The study used the Hubble Space Telescope to probe the universe and identifies a connection between star formation and active galactic nuclei.
A team of scientists has discovered a distant galaxy that helps elucidate two fundamental questions of galaxy formation. The galaxy's extended patch of light suggests that roughly half of the radiation is escaping and exciting hydrogen atoms outside its halo.
The Universe Awareness program, endorsed by the IAU, has won the Science Prize for Online Resources in Education (SPORE) award. The program uses astronomy to inspire children and foster global citizenship, with a focus on underprivileged backgrounds.
A CSIRO study reveals galaxies have less molecular hydrogen gas than in the past, leading to fewer stars forming. The decline in gas availability is linked to Dark Energy's acceleration of the Universe's expansion.
Researchers from University College London and Imperial College London developed an algorithm to search for signatures of other universes in cosmic microwave background radiation. They found an observational upper limit on the number of bubble collision signatures, providing a test of the multiverse theory.
Physicist Dr. Mark Hadley proposes a galaxy-scale explanation for Charge Parity violation, suggesting galactic rotation's effect on space-time causes differences in particle decay rates. This theory preserves parity while offering a new explanation for the matter-antimatter imbalance.
Physicists at UC Riverside have discovered a new way to create positronium, an exotic atom made up of an electron and its antimatter twin, the positron. This method allows for the production of positronium at almost any temperature, including very low temperatures, making it easier to detect.
The James Webb Space Telescope's mirrors have been polished to accuracies of less than one millionth of an inch, crucial for forming sharpest images in space. The primary mirror, made of Beryllium, will capture light from faint, distant objects faster than any previous space observatory.
Astrophysicists are using Type Ia supernovae, also known as 'zombie' stars, to build a map of the universe's history and understand dark energy. The stars' explosive deaths can be used to measure distances in the universe.
Scientists aim to study the universe's evolution with MicroSpec, a 10,000 times more sensitive spectrometer. The instrument will analyze infrared light to identify object compositions and properties.
Scientists have discovered the most distant quasar to date, ULAS J1120+0641, with a redshift of 7.1, providing a unique opportunity to study the early universe. The object's massive black hole is estimated to be two billion times that of our Sun, challenging current theories on its growth.
Researchers at CERN's ALPHA experiment have successfully trapped antihydrogen atoms for up to 1,000 seconds, or 16 minutes and 40 seconds. This achievement allows for spectroscopic experiments on the antiatoms, which could help determine if their electromagnetic and gravitational interactions are identical to those of normal matter.
Astronomers confirm 13.14 billion light-year distance for GRB 090429B, making it contender for most distant object detected, and shedding light on the cosmos' earliest stars and galaxies.
Stenger examines the concept of fine-tuning in physics and cosmology, arguing that many claims by theists are based on misunderstanding science. He finds evidence beyond a reasonable doubt that God does not exist, exploring standard models of physics and cosmology to support his argument.
A 22-year-old undergraduate student has made a groundbreaking discovery of the Universe's 'missing mass' by detecting filaments in X-ray data. This finding is significant as it proves the prediction that the mass should be low in density but high in temperature, providing valuable insights into large-scale cosmic structures.
Physicists at the Relativistic Heavy Ion Collider produce the heaviest antimatter, antihelium-4 nucleus, confirming existing theories about matter and antimatter properties. The discovery will aid in understanding the imbalance of matter and antimatter in the universe.
The XENON collaboration has announced results from a 100-day experiment, revealing no evidence of Weakly Interacting Massive Particles (WIMPs), leading candidates for dark matter. The high sensitivity achieved by the XENON100 detector may allow future detection in the near future.
Scientists at Queen's University have won a £2 million grant from the Science and Technology Facilities Council (STFC) to study dark matter, dark energy, and the Sun. The funding will support international collaborations with top universities, including Harvard and Vanderbilt.
The study provides the first direct evidence that million-degree gas clouds are tightly gathered in the cluster's outskirts. The Suzaku images reveal that the outer parts of the Perseus cluster contain too many baryons, contradicting earlier studies and galaxy surveys.
Experimental philosophy offers a new perspective on the debate over free will and determinism, testing whether our decisions are influenced by causal chains or our own agency. Researchers have found that young children and adults exhibit conflicting responses to scenarios involving free will and moral responsibility.
Recent analysis by University of Maryland astronomer Stacy McGaugh confirms MOND's prediction for gas-rich galaxies, performing better than dark matter models. This finding raises new questions about the accuracy of the reigning cosmological model and the nature of gravity on small scales.
Researchers aim to identify all possible shapes across three, four, and five dimensions, linking them like the periodic table links chemical elements. They expect to develop a better understanding of geometric properties and relationships between shapes.
The Large Hadron Collider's CMS detector has conducted the first full run of experiments, producing energies similar to those present in the Universe's first instants. Researchers are optimistic about confirming or ruling out Supersymmetry as a solution for dark matter, which makes up approximately 25% of the universe's mass.
Astronomers have found the most distant galaxy candidate yet seen, about 13.2 billion light-years away, in ultra-deep imaging data from the Hubble Space Telescope. The study reveals a rapid build-up of early galaxies around 480 million years after the Big Bang, with a tenfold increase in star birth rate over 170 million years.
Researchers have discovered that partition numbers behave like fractals, unlocking their infinitely repeating superstructure and developing a mathematical theory to 'see' them. A new finite formula has been devised to calculate the partitions of any number, bringing completely new ideas to the problems.
Astronomers using data from NASA's Swift satellite have found a largely unseen population of black-hole-powered galaxies, accounting for at least one-fifth of all active galaxies. The discoveries were made by analyzing X-ray emissions and finding that these heavily shrouded black holes are extremely faint and difficult to detect.
Syracuse University's new supercomputer will enable scientists to explore the universe in ways not currently possible, with a focus on gravitational-wave astronomy and analysis of LIGO data. The computer cluster is one of three worldwide dedicated to this field, providing vital technologies for analyzing data from distant objects.
The Planck satellite mission has provided unprecedented all-sky coverage of cosmic dust, offering insights into dust evolution in different environments. The data will help researchers understand the complex history of our universe and its present form.
Gravitational lensing distorts the view of very distant galaxies, making them harder to detect and study. The distortion can be as much as an order of magnitude, potentially boosting the number of visible galaxies by up to 10-30.
Researchers have identified 16 binary systems consisting of supermassive black holes that are hundreds to thousands closer together than previously observed. This discovery sheds new light on how these cosmic behemoths and their host galaxies merge, a crucial aspect of understanding the universe's evolution.
Astrophysicists can now obtain accurate answers to the mystery of accelerating universe expansion thanks to a calibrated Pan-STARRS telescope. The telescope's performance was fine-tuned at many individual wavelengths, allowing for consistent information about supernovae.
The ARC Centre of Excellence for Experimental Particle Physics at the Terascale will probe particle interactions at higher energies, revealing secrets about the early stages of the universe after the big bang. Scientists hope to discover elusive Higgs Boson particles and new physics such as extra dimensions and super symmetry.
Astronomers at Yale University have discovered that small red dwarfs are much more prolific than previously believed, increasing the total number of stars in the universe. The discovery found 20 times more red dwarfs in elliptical galaxies than in the Milky Way, with potential implications for galaxy formation and evolution.
Elliptical galaxies are found to contain five to ten times as many red dwarfs as thought, with implications for galaxy formation and evolution. The discovery could lead to a reevaluation of dark matter in these galaxies.
Astronomers from Bonn and St. Andrews discover that the discrepancy between calculated and observed star numbers may be due to an overestimation of stellar crowding, a phenomenon where young stars are born in groups, leading to more massive stars being overlooked.
Researchers at CERN and Swansea University have achieved a major breakthrough in anti-matter research, trapping and holding atoms of 'anti-hydrogen' for the first time. This development will allow scientists to study anti-matter closely and gain unprecedented insight into its composition and fundamental physical principles.
Researchers have successfully trapped and studied anti-hydrogen atoms using the ALPHA experiment. The findings shed light on the structure and composition of anti-matter, a key to understanding why matter dominates the Universe.