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Researchers have measured the strength of magnetic fields near two supermassive black holes at the centers of an important type of active galaxies. Surprisingly, the strengths of the magnetic fields do not appear sufficient to power the coronae.
February 1, 2019 Read more
Astronomers using the NASA/ESA Hubble Space Telescope to study some of the oldest and faintest stars in the globular cluster NGC 6752 have discovered a dwarf galaxy in our cosmic backyard, only 30 million light-years away.
January 31, 2019 Read more
New simulations reveal how interactions between magnetic fields and particles sap a black hole's energy.
January 30, 2019 Read more
Investigating cement solidification in a microgravity environment.
January 28, 2019 Read more
In a discovery that could provide new insights into the origin of mass in the universe following the Big Bang, scientists have used experiments with kaons and helium-3 to experimentally demonstrate, for the first time, the existence of an exotic nucleus containing two protons and a bound kaon.
January 28, 2019 Read more
Data recorded by NASA's Chandra X-ray Observatory of a neutron star as it passed through a dense patch of stellar wind emanating from its massive companion star provide valuable insight about the structure and composition of stellar winds.
January 24, 2019 Read more
It has taken researchers almost three years to produce the deepest image of the Universe ever taken from space, by recovering a large quantity of 'lost' light around the largest galaxies in the HUDF.
January 24, 2019 Read more
An organic molecule detected in the material from which a star forms could shed light on how life emerged on Earth.
January 23, 2019 Read more
Including the powerful ALMA into an array of telescopes for the first time, astronomers have found that the emission from the supermassive black hole Sagittarius A* at the center of our Galaxy comes from a smaller region than previously thought.
January 21, 2019 Read more
The strange orbits of some objects in the farthest reaches of our solar system, hypothesised by some astronomers to be shaped by an unknown ninth planet, can instead be explained by the combined gravitational force of small objects orbiting the Sun beyond Neptune, say researchers.
January 21, 2019 Read more
A team of scientists has, for the first time, used a single, cohesive computer model to simulate the entire life cycle of a solar flare: from the buildup of energy thousands of kilometers below the solar surface, to the emergence of tangled magnetic field lines, to the explosive release of energy in a brilliant flash.
January 16, 2019 Read more
Researchers have found evidence for the existence of a 'hot cocoon' of material enveloping a relativistic jet escaping a dying star.
January 16, 2019 Read more
Experimental proof of a decades-old prediction opens a pathway to recreate possible conditions of the early universe here on earth.
January 16, 2019 Read more
An international consortium of scientists studying gamma-ray bursts (GRBs) as part of the POLAR (GRB polarimeter) experiment has revealed that high-energy photon emissions from black holes are neither completely chaotic nor completely organized, but a mixture.
January 15, 2019 Read more
Analysis revealed that the light of five gamma-ray bursts has a low degree of polarisation. Thus theories about gamma-ray bursts that assume a high degree of polarisation can now be regarded less likely correct.
January 14, 2019 Read more
New findings test the limits of quark-gluon plasma.
January 14, 2019 Read more
Mysteriously bright glow of this summer's 'Cow' event gained international interest.
January 11, 2019 Read more
An international team of astrophysicists have discovered that a remarkable star has been continuously erupting, on an annual basis, for millions of years.
January 10, 2019 Read more