The Voyager 2 spacecraft has detected a strong magnetic field in the interstellar region, distorting the bubble of outflowing gas from the sun. Additionally, the temperature was found to be ten times cooler than expected just outside the boundary, sparking new explanations.
Drs. Stefano Bianchini and Alberto Bressan's paper on nonlinear hyperbolic systems has solved a 50-year-old problem, proving the existence and uniqueness of solutions as viscosity tends to zero. Their work has far-reaching implications for various physical phenomena, including fluid dynamics and astrophysics.
Researchers aim to develop an instrument that can reveal crucial data about the nature and origin of cosmic rays. Cerenkov radiation, emitted when particles travel faster than light through the atmosphere, holds key to understanding these enigmatic particles.
Researchers found energetic electrons most abundantly at sites of compressed density within magnetic islands, contradicting previous theories. This discovery provides an important step towards solving the mystery of electron acceleration during magnetic reconnection.
A team of researchers proposes a new mechanism to explain the brightest ever recorded supernova, SN 2006gy. The model suggests that an extremely massive star undergoes repeated explosions, resulting in a display up to 100 times more luminous than usual.
Scientists have established a correlation between high-energy cosmic rays and distant active galactic nuclei (AGNs), suggesting massive black holes in the center of galaxies as a possible source. The Pierre Auger Observatory detected 28 cosmic rays with energies greater than 60 EeV, most of which originated from locations near known AGNs.
Researchers have found a significant correlation between high-energy cosmic rays and the cores of nearby galaxies, which emit prodigious quantities of energy. The Auger collaboration has traced the source of these cosmic rays to Active Galactic Nuclei (AGN), likely powered by supermassive black holes.
Astronomers have discovered a massive black hole with a mass 24 to 33 times that of our Sun, exceeding expectations. The discovery was made using two NASA satellites and suggests that stellar-mass black holes can be much larger than previously thought.
The Sunrise project successfully launched a solar telescope to an altitude of 120,000 feet, enabling scientists to view features of the Sun that were previously unseen. The telescope will capture stable images in the ultraviolet range, allowing for higher resolution than can be obtained from Earth's surface.
Astronomers have found an exceptionally massive black hole in orbit around a huge companion star in the nearby galaxy M33, with a mass of 15.7 times that of the Sun. The discovery raises questions about how such a big black hole could have formed.
The SiCortex SC5832 enables research in astrophysics, climate modeling, and biotechnology at Argonne National Lab due to its unique capabilities and energy efficiency. The system boasts six 64-bit processors and a PCIexpress connection for fast communications.
The Giant Magellan Telescope will be constructed at Cerro Las Campanas, Chile, providing unparalleled seeing quality and access to the southern skies. The telescope will help answer scientific questions on planetary systems, star formation, galaxies, black holes, dark matter, and dark energy.
The 2008 IOP Awards have recognized significant contributions to physics across various fields. Notably, Professor Rowan-Robinson's research on galactic dust has shed light on the main populations of galaxies in our universe.
Scientists at the University of Chicago have found that Titan's climate is analogous to Earth's tropics, with methane clouds and a tropical weather system. The moon's slow rotation rate and atmosphere produce an updraft that lifts evaporated methane into clouds, similar to Earth's ITCZ.
Astronomers have detected a huge burst of radio energy from the distant universe, suggesting a new area of study in astrophysics. The burst was so bright that it saturated equipment and could be equivalent to a large power station running for two billion years.
Anastasia Ailamaki, a Carnegie Mellon professor, has been awarded the prestigious European Young Investigator (EURYI) Award. She will receive 1 million euros to establish a research team at Ecole Polytechnique Fédérale de Lausanne in Switzerland.
Duke University researchers have devised a method to test for the presence of naked singularities, potentially existing in certain instances. Their study suggests that high-spin black holes could shed their event horizon and become observable through gravitational lensing effects.
The University of Chicago has been awarded a grant to support four one-year Clare Boothe Luce Fellowships for women entering Ph.D. programs in Astronomy & Astrophysics, Computer Science, Mathematics and Physics.
Researchers at University of Warwick develop a technique to detect ordered patterns in plasma, crowds and birds using mutual information, outperforming traditional statistical tools. The new tool could uncover patterns in stock market behavior and provide insights into complex systems.
Astronomers have witnessed the rare sight of four galaxies crashing into each other, kicking up billions of stars and forming a single, massive galaxy. The merger, observed using NASA's Spitzer Space Telescope and WIYN Telescope, provides unprecedented insight into how the most massive galaxies in the universe form.
The discovery of a planet orbiting a giant red star provides insight into the potential fate of our solar system as it evolves into a red-giant star. The planet, located 300 light years from Earth, circles its star every 360 days and offers astronomers a unique opportunity to study the effects of red-giant stars on planetary systems.
Researchers found that high school math preparation significantly improves college performance in biology, chemistry, and physics. However, no correlation was seen between scientific disciplines, challenging the 'Physics First' movement's arguments.
Researchers at Penn School Medicine observe and measure internal motion in proteins, revealing its impact on function and overturning traditional views. This discovery may explain why drug design fails more often than it works.
Astronomers used powerful telescopes to detect giant Jupiter-like planets in the outer regions of nearby solar systems, but found none beyond 5 astronomical units from their stars. The survey, which was conducted over three years, aimed to determine what the average planetary system looks like and whether ours is typical.
The BHCosmo simulation reveals the integral role of black holes in galaxy formation and cosmic evolution. It provides a deeper understanding of quasar formation and helps predict where to aim future telescopes for early cosmic events and galaxy structures.
Florida Tech associate professor Eric Perlman has received $490,400 in funding from NASA's Long-term Space Astrophysics grant program to study jets and their impact on cosmic rays. His work will access the Hubble Space Telescope and Chandra X-ray Observatory to further understanding of jet dynamics and emissions.
Researchers used supercomputers to simulate galaxy mergers, revealing the formation of a new type of structure - a central disk of gas that can be thousands of light years wide. The simulations predict that the gas in this disk will extract energy from the orbiting black holes, causing them to merge and produce strong gravitational waves.
Astronomers discover a bright arc of extremely hot gas in a massive galaxy cluster, suggesting an exceptionally dramatic event, such as a collision between two clusters. The temperature and mass of the cluster make it a giant among giants, with a quadrillion suns' worth of mass bound by its hot gas.
Researchers at the University of Warwick have found fractal patterns in the solar wind that correspond to the Sun's 'storm season', indicating complex magnetic field activity. This discovery could improve our understanding of space weather and its impact on cosmic ray flux, as well as inform the development of fusion power.
Astronomers have used adaptive optics technology to pinpoint two supermassive black holes in a colliding galaxy. The observations reveal the black holes reside at the center of rotating disks of stars and are surrounded by young star clusters.
A large area of low but increasing gravity over North America has been discovered, reflecting the lingering impact of the last ice age. The study provides an unprecedented image of the geometry of the long-vanished Laurentide ice sheet and reveals that its ghost still hangs over the continent.
Researchers have mapped weather on a gas giant planet called HD 189733b, discovering supersonic winds that can move at speeds of up to 22,000 mph. The winds are so fast they redistribute heat across the planet's surface, with dayside and nightside temperatures differing by only 500 degrees Fahrenheit.
Researchers have built a new model that suggests neutron star surfaces run hotter than previously thought, releasing 10 times more heat. This helps explain the observed frequency of superbursts on such stars' surfaces, but scientists still don't know why they occur annually.
Scientists confirm size of hot gas disk around supermassive black hole, measuring its size as seven times the distance between Earth and Sun. The disk is found to be 10 times smaller than predicted event horizon, consistent with theoretical predictions.
A team of UNH and Dartmouth researchers will develop models for controlled thermonuclear fusion and turbulence in the Sun's environment. The grant supports a new center, CICART, which aims to leverage interdisciplinary collaborations and federal funding.
Richard Bond, a renowned cosmologist at the University of Toronto, has won the Gerhard Herzberg Canada Gold Medal for Science and Engineering. His research has provided crucial insights into the universe's current structure, shedding light on dark matter and its role in shaping the cosmos.
A team of German astronomers has identified a new globular cluster in the Milky Way, comprising approximately 100,000 stars. The discovery is significant as it provides unique laboratory conditions to investigate various aspects of astrophysics and sheds light on the formation and evolution of galaxies.
The AEGIS survey reveals a consistent relation between galaxy mass and star and gas orbital speed over billions of years, constraining galaxy formation theories. The findings suggest fundamental properties of galaxies have changed little over the past 8 billion years.
The Very Large Telescope Interferometer (VLTI) equipped with AMBER has achieved unparalleled astronomical results, probing the formation stages of stars and detecting high-velocity jets in novae. The instrument's high angular resolution enables the observation of complex geometries and stellar winds.
Astrophysicists discovered a mechanism that produces high-energy gamma rays from the Milky Way's black hole, accelerating protons to unprecedented speeds. The process creates high-energy gamma rays through collisions between accelerated protons and hydrogen gas.
The South Pole Telescope has achieved its first light, successfully collecting test observations and paving the way for cosmological research. The $19.2 million telescope is designed to pierce the mystery of dark energy, which drives the universe's evolution.
Scientists at NSCL and other labs will describe potential effects in astrophysics, medicine, and national security. New isotope creation technology may have far-reaching impact on various fields.
Researchers propose explanation for formation of dwarf spheroidals, faint galaxies composed almost entirely of dark matter. Simulations suggest environmental effects, including ram pressure and tidal shocking, strip away luminous matter, leaving behind dark-matter shadow.
The NASA Goddard Space Science Center has won several prestigious awards this season, including the Bruno Rossi Prize for high-energy astrophysics and the Annie Jump Cannon Award for female astronomers. These awards recognize the center's outstanding research efforts and achievements in space science.
Researchers have discovered that all Type Ia supernovae explode with the same mass and energy, making them useful for measuring distances. The brightness of supernovae depends on the amount of nickel they contain, allowing for more accurate calibration and future distance measurements.
The NARVAL observatory, installed at the Bernard Lyot Telescope, allows scientists to study magnetic fields of stars and their impact on planetary formation. SU Aurigae's complex magnetic 'web' was observed using NARVAL and ESPaDOnS, revealing new insights into stellar evolution.
The study measures infrared light from three gas giant planets, detecting no temperature differences between their day and night sides. Temperatures appear to be uniform, around 925 degrees Celsius, due to strong winds that mix the atmosphere planetwide.
The researchers found that the dust grains have a porosity of over 90%, similar to powder snow, allowing them to measure the agglomeration process of interstellar grains. This discovery provides valuable insights into the early days of our planetary system and how dust grains grow from interstellar sizes to macroscopic objects.
The US Department of Energy's Office of Science has awarded 45 projects 95 million hours of computing time on powerful supercomputers to advance research in various fields, including astrophysics, materials science, and climate research. These awards will enable researchers to create more accurate models, simulate complex processes, an...
The University of Chicago's Center for Astrophysical Thermonuclear Flashes will perform the world's most advanced simulations of exploding white dwarf stars using 2.5 million hours of processing time. The goal is to understand the nature of dark energy, a mysterious force dominating the universe.
Scientists have discovered a supermassive black hole at the heart of a dwarf elliptical galaxy, VCC128, located 54 million light years away. The finding is significant as it shows that even small galaxies can host massive black holes, challenging previous assumptions.
Astronomers have discovered an enormous halo of red giant stars surrounding the Andromeda galaxy, extending beyond its visible disk and indicating that it may be five times larger than previously believed. The discovery is based on observations of over 500,000 light-years of starry space using advanced telescopes.
Scientists have identified a new type of massive stellar death, where stars may collapse into black holes without exploding in supernova explosions. This discovery was made using data from two long-duration Gamma-ray bursts detected by NASA's Swift satellite.
Scientists have discovered a 'hybrid gamma-ray burst,' which exhibits properties of both long and short bursts. The burst's characteristics suggest that it may be signaling the birth of a new black hole, but its exact origin remains unclear.
George Smoot has been awarded the Daniel Chalonge Medal for his 15-year contribution to the International School of Astrophysics. The award recognizes his outstanding contributions to cosmology and astrophysics, as well as his support for the school's summer and fall programs.
Scientists at Max Planck Institute for Astrophysics have discovered a way to make a picture of everything that gravitates in the Universe using radio telescopes. By analyzing radio waves emitted from the early Universe, they can create high-resolution images of cosmic mass distribution, surpassing current galaxy distortions.
Researchers Katherine Jones-Smith and Harsh Mathur critique the work of physicist Richard Taylor, who claimed fractal analysis could authenticate Pollock's paintings. They found that fractal analysis leads to mathematical contradictions and inconsistencies in Pollock's works.
Andrew Christlieb, a Michigan State University assistant professor of mathematics, has been awarded $300,000 over three years to study questions of plasma physics and develop new methods for solving complex problems. His research aims to improve the speed and accuracy of computer models used in simulations of complex systems.
Astrophysicists have resolved a long-standing issue with the Big Bang theory by studying gas movements in stars. Computer models revealed that low mass stars destroy helium 3 before it can be released into space, resolving the discrepancy.
Scientists have detected loops and rings of hot gas surrounding the supermassive black hole, indicating periodic eruptions that generate pressure waves and sound. The sound waves are found to be more discordant and complex than previously detected, with a range of frequencies below middle C.