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3,474 articles

New measurement of Hubble Constant adds to cosmic mystery
Oct 24, 2019 (SPX)
"There's a lot of excitement, a lot of mystification and from my point of view it's a lot of fun," said Chris Fassnacht, professor of physics at UC Davis and a ...
Cosmic Yeti from the dawn of the universe found lurking in dust
Oct 23, 2019 (SPX)
Published in the Astrophysical Journal, the discovery provides new insights into the first growing steps of some of the biggest galaxies in the universe. Univer...
eROSITA takes its first look at the hot Universe
Oct 23, 2019 (SPX)
Between 17 and 19 October 2019, all seven of eROSITA's 'X-ray eyes' acquired their first combined images of the hot Universe. "A first light event is always an ...
Stormy cluster weather could unleash black hole power
Oct 18, 2019 (SPX)
Typical clusters of galaxies have several thousand member galaxies, which can be very different to our own Milky Way and vary in size and shape. These systems a...
Going against the flow around a supermassive black hole
Oct 16, 2019 (SPX)
"Thanks to the spectacular resolution of ALMA, we measured the movement of gas in the inner orbits around the black hole," explains Violette Impellizzeri of the...
Quantum paradox experiment may lead to more accurate clocks and sensors
Oct 16, 2019 (SPX)
University of Queensland physicist Dr Magdalena Zych said the international collaboration aimed to test Einstein's twin paradox using quantum particles in a 'su...
Violent flaring at the heart of a black hole system
Oct 14, 2019 (SPX)
Black holes can feed off a nearby star and create vast accretion discs of material. Here, the effect of the black hole's strong gravity and the material's own m...
Black holes stunt growth of dwarf galaxies
Oct 14, 2019 (SPX)
Dwarf galaxies are small galaxies that contain between 100 million to a few billion stars. In contrast, the Milky Way has 200-400 billion stars. Dwarf galaxies ...
This is how a 'fuzzy' universe may have looked
Oct 04, 2019 (SPX)
Although dark matter is considered the backbone to the structure of the universe, scientists know very little about its nature, as the particles have so far eva...
Neutrino produced in a cosmic collider far away
Oct 03, 2019 (SPX)
An international team of researchers led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, studied high-resolution radio obse...
Is it possible to borrow energy from an empty space
Oct 03, 2019 (SPX)
Quantum physics has shown time and again that it contradicts our intuition - and this is also true in this case. Under certain conditions negative energies are ...
Why the Sun won't become a black hole
Sep 27, 2019 (SPX)
Stars that are born this size or larger can explode into a supernova at the end of their lifetimes before collapsing back into a black hole, an object with a gr...
TESS spots its first star-shredding black hole
Sep 27, 2019 (SPX)
"TESS data let us see exactly when this destructive event, named ASASSN-19bt, started to get brighter, which we've never been able to do before," said Thomas Ho...
Eyeballing a black hole's mass
Sep 27, 2019 (SPX)
Active galactic nuclei are among the brightest and most mysterious objects in space. A galaxy is deemed active if it produces a thin long beam of matter and ene...
Astronomers find star recently ripped apart by black hole
Sep 26, 2019 (UPI)
Astrophysicists and cosmologists estimate supermassive black holes are located at the center of most galaxies. When stars wander too close, a black hole's treme...
Milestones on the way to the nuclear clock
Sep 23, 2019 (SPX)
For decades, people have been searching for suitable atomic nuclei for this purpose, and for a long time it had been conjectured that a specific thorium isotope...
New initiative to explore origin and future of Universe
Sep 23, 2019 (SPX)
The goal of the newly funded initiative "New Directions in Cosmology and Gravitational Theory" is to develop and test theories of the origin, evolution, and fut...
Researchers produce synthetic Hall Effect to achieve one-way radio transmission
Sep 23, 2019 (SPX)
The Hall Effect, discovered in 1879 by Edwin Hall, occurs because of the interaction between charged particles and electromagnetic fields. In an electric field,...
KATRIN cuts the mass estimate for the elusive neutrino in half
Sep 17, 2019 (SPX)
At the 2019 Topics in Astroparticle and Underground Physics conference in Toyama, Japan, leaders from the KATRIN experiment reported Sept. 13 that the estimated...
High value for Hubble Constant from two gravitational lenses
Sep 16, 2019 (SPX)
An international team led by the Max Planck Institute for Astrophysics (MPA) has now used two gravitational lenses as new tools to calibrate the distances to hu...
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