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UrduWe are made of stardust, the saying goes, and a pair of studies including University of Michigan research finds that may be more true than we previously thought.
Tag: ASTROPHYSICS
Evidence for PeVatrons, the Milky Way’s most powerful particle accelerators
The Tibet ASγ experiment, a China-Japan joint research project on cosmic-ray observation, has discovered ultra-high-energy diffuse gamma rays from the Milky Way galaxy. The highest energy detected is estimated to be unprecedentedly high, nearly 1 Peta electronvolts (PeV, or one…
Joint French-Japanese laboratory in Tokyo for physics at the largest and smallest scales
* The CNRS and the University of Tokyo have set up a laboratory for physics research at the largest and smallest scales of the Universe. * ILANCE is the CNRS’s seventh International Research Laboratory in Japan. From neutrinos to dark…
Distant, spiralling stars give clues to the forces that bind sub-atomic particles
Space scientists at the University of Bath in the UK have found a new way to probe the internal structure of neutron stars, giving nuclear physicists a novel tool for studying the structures that make up matter at an atomic level.
First X-rays from Uranus discovered
Astronomers have detected X-rays from Uranus for the first time, using NASA’s Chandra X-ray Observatory. This result may help scientists learn more about this enigmatic ice giant planet in our solar system.
New study sews doubt about the composition of 70 percent of our universe
Researchers the world over have long believed that 70 percent of the universe is composed of dark energy, a substance that makes it possible for the universe to expand at an ever-increasing rate. But in a new study, University of Copenhagen researchers te
Decades of hunting detects footprint of cosmic ray superaccelerators in our galaxy
Record-breaking gamma rays bathe the Milky Way in an energetic haze
Astrophysics student Ellen Price awarded 51 Pegasi B Fellowship
The fellowship provides exceptional scientists with the opportunity to conduct theoretical, observational and experimental research in planetary astronomy
First X-rays from Uranus discovered
Astronomers have detected X-rays from Uranus for the first time, using NASA’s Chandra X-ray Observatory. This result may help scientists learn more about this enigmatic ice giant planet in our solar system. Uranus is the seventh planet from the Sun…
First interstellar comet may be the most pristine ever found
New observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) indicate that the rogue comet 2I/Borisov, which is only the second and most recently detected interstellar visitor to our Solar System, is one of the most pristine ever…
String theory solves mystery about how particles behave outside a black hole photon sphere
A paper by the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU) Director Ooguri Hirosi and Project Researcher Matthew Dodelson on the string theoretical effects outside the black hole photon sphere has been selected for the…
Stellar eggs near galactic center hatching into baby stars
Astronomers found a number of stellar eggs containing baby stars around the center of the Milky Way using the Atacama Large Millimeter/submillimeter Array (ALMA). Previous studies had suggested that the environment there is too harsh to form stars. These findings…
New study finds satellites contribute significant light pollution to night skies
Scientists reported new research results today suggesting that artificial objects in orbit around the Earth are brightening night skies on our planet significantly more than previously understood. The research, accepted for publication in Monthly Notices of the Royal Astronomical Society:…
Black hole seeds key to galaxies behemoths
Early Universe explosion sheds light on elusive black hole
Launch of Europe’s largest astronomy network
Until now, Europe has had two major collaborative networks for ground-based astronomy, one in the optical wavelength domain and the other in the radio-wave domain. OPTICON and RadioNet have now come together to form Europe’s largest ground-based astronomy collaborative network.…
New light on baryonic matter and gravity on cosmic scales
Scientists estimate that dark matter and dark energy together are some 95% of the gravitational material in the universe while the remaining 5% is baryonic matter, which is the “normal” matter composing stars, planets, and living beings. However for decades…
World’s most sensitive radio telescope concludes 15-month listening session, accepting international proposals
Nestled in the mountainous landscape of Guizhou in southwest China, the Five-hundred-meter Aperture Spherical radio Telescope (FAST) is a single-dish radio telescope the size of 30 soccer fields. It has recently finished 15 months of listening to the sounds of…
Astronomers image magnetic fields at the edge of M87’s black hole
The Event Horizon Telescope (EHT) collaboration, who produced the first ever image of a black hole, has today revealed a new view of the massive object at the centre of the Messier 87 (M87) galaxy: how it looks in polarised…
New images reveal magnetic structures near supermassive black hole
Work gives clues about how powerful jets are driven
Harvard, Smithsonian astronomers help capture first image of black hole’s magnetic fields
This is the first time scientists have imaged magnetic fields so close to a black hole
Black hole shows magnetic fields surrounding it are strong enough to resist gravity
Wits University astrophysicists are the only two scientists on African continent that contributed to the study.
Algorithms inspired by social networks reveal lifecycle of substorms, a key element of space weather
Evolution of auroral substorms revealed by physicists at University of Warwick using the same methods that link people through social media
The eukaryotic cell nucleus resembles the layout of a superstore
The headquarter of a eukaryotic cell is the nucleus, and most of the cell’s information and instructions are stored there in the form of DNA (Deoxyribonucleic acid). The DNA, which is twisted, rolled and bundled two-meter-long chain, together with protein…
Powerful stratospheric winds measured on Jupiter for the first time
Using the Atacama Large Millimeter/submillimeter Array (ALMA), in which the European Southern Observatory (ESO) is a partner, a team of astronomers have directly measured winds in Jupiter’s middle atmosphere for the first time. By analysing the aftermath of a comet…
HAWC: Are photons of extreme energies coming from the Galaxy’s largest accelerator?
For years, in the vastness of our galaxy, astrophysicists have been tracking down pevatrons – natural accelerators of particles with monstrous energies. Thanks to the HAWC Observatory for Cosmic Radiation, another probable trace of their existence has just been found:…
Lena Funcke receives Leona Woods Lectureship Award
Postdoctoral theorist recognized for her work at the intersection of fundamental particles, the cosmos, and quantum computing
Scientists uncover warehouse-full of complex molecules never before seen in space
Radio observations of a cold, dense cloud of molecular gas reveal more than a dozen unexpected molecules
SwRI scientists help identify the first stratospheric winds measured on Jupiter
Jovian jet streams above the cloud tops measured using the aftermath of comet collision
Missing baryons found in far-out reaches of galactic halos
Berkeley Lab physicists play key role in studies that solve a cosmological mystery
SwRI researcher theorizes worlds with underground oceans support, conceal life
Layers of ice and rock obviate the need for “habitable zone” and shield life against threats
Jupiter’s “dawn storm” auroras are surprisingly Earth-like
A new study tracks the life cycle of the spectacular ultraviolet storms in the big planet’s aurora, generated by charged particles from its volcanic moon, Io
Debris of stellar explosion found at unusual location
eROSITA space telescope finds largest supernova remnant ever discovered with X-rays
Whispers from the dark side: What can gravitational waves reveal about dark matter?
Scientists of the PRISMA+ Cluster of Excellence analyze data from the gravitational wave observatory NANOGrav
Scientists find clues to a process occurring throughout the universe that affects fusion energy
New research reveals a surprising insight into the physics behind magnetic reconnection. The findings could lead to a greater ability to predict space weather.
Experts recreate a mechanical Cosmos for the world’s first computer
Researchers at UCL have solved a major piece of the puzzle that makes up the ancient Greek astronomical calculator known as the Antikythera Mechanism, a hand-powered mechanical device that was used to predict astronomical events.
Chinese solar telescope reveals acceleration of magnetic reconnection
Magnetic reconnection refers to the reconfiguration of magnetic field geometry. It plays an elemental role in the rapid release of magnetic energy and its conversion to other forms of energy in magnetized plasma systems throughout the universe. Researchers led by…
Experts recreate a mechanical Cosmos for the world’s first computer
Researchers at UCL have solved a major piece of the puzzle that makes up the ancient Greek astronomical calculator known as the Antikythera Mechanism, a hand-powered mechanical device that was used to predict astronomical events. Known to many as the…
Astronomers detect a black hole on the move
Astronomers have detected a moving supermassive black hole
Scientists sketch aged star system using over a century of observations
Astronomers have painted their best picture yet of an RV Tauri variable, a rare type of stellar binary where two stars – one approaching the end of its life – orbit within a sprawling disk of dust. Their 130-year dataset…
HAWC Gamma Ray Observatory discovers origin of highest-energy cosmic rays in the galaxy
A long-time question in astrophysics appears to finally be answered, thanks to a collection of large, high-tech water tanks on a mountainside in Mexico.
Hubble sees new atmosphere forming on a rocky exoplanet
The planet GJ 1132 b appears to have begun life as a gaseous world with a thick blanket of atmosphere. Starting out at several times the radius of Earth, this so-called “sub-Neptune” quickly lost its primordial hydrogen and helium atmosphere,…
Uncovering exotic molecules of potential astrochemical interest
Looking at the night sky, one’s thoughts might be drawn to astrochemistry. What molecules inhabit the vast spaces between the stars? Would we see the same molecules that surround us here on Earth? Or would some of them be more…
Not so fast, supernova: highest-energy cosmic rays detected in star clusters
For decades, researchers assumed the cosmic rays that regularly bombard Earth from the far reaches of the galaxy are born when stars go supernova — when they grow too massive to support the fusion occurring at their cores and explode.…
Distant planet may be on its second atmosphere, NASA’s Hubble finds
Scientists using NASA’s Hubble Space Telescope have found evidence that a planet orbiting a distant star may have lost its atmosphere but gained a second one through volcanic activity. The planet, GJ 1132 b, is hypothesized to have begun as…
A monumental particle accelerator in the Cygnus Cocoon
At the heart of Cygnus, one of the most beautiful constellations of the summer sky, beats a source of high-energy cosmic ray particles: the Cygnus Cocoon. An international group of scientists at the HAWC observatory has gathered evidence that this…
How the habitability of exoplanets is influenced by their rocks
The conditions on Earth are ideal for life. Most places on our planet are neither too hot nor too cold and offer liquid water. These and other requirements for life, however, delicately depend on the right composition of the atmosphere.…
Polarization: From better sunglasses to a better way of looking at asteroid surfaces
Unique technique may help planetary defense prepare for asteroids on a collision course with Earth
Tracking cosmic ghosts
Frontera supercomputer, a community resource for IceCube Neutrino Observatory research, enables the discovery of new high-energy particle
Ideas for future NASA missions searching for extraterrestrial civilizations
A researcher at the Instituto de Astrofísica de Canarias (IAC) is the lead author of a study with proposals for “technosignatures” -evidence for the use of technology or industrial activity in other parts of the Universe- for future NASA missions.…
IceCube detection of high-energy particle proves 60-year-old physics theory
MADISON – On December 6, 2016, a high-energy particle hurtled to Earth from outer space at close to the speed of light. The particle, an electron antineutrino, smashed into an electron deep inside the ice sheet at the South Pole.…