Ultraviolet Superflares May Threaten Exoplanet Habitability near Young Red Dwarfs
SCI-NEWS.COM
Stellar superflares from young red dwarfs may make conditions uninhabitable on fledgling planets, according to the...
Stellar superflares from young red dwarfs may make conditions uninhabitable on fledgling planets, according to the new results of the Habitable Zones and M dwarf Activity across Time (HAZMAT) survey. About 70% of the stars in our Milky Way Galaxy...
1 hour
Discovering a previously unknown role for a source of magnetic fields
PHYS.ORG
Magnetic forces ripple throughout the universe, from the fields surrounding planets to the gasses filling galaxies, and can be launched by a phenomenon called the Biermann...
Magnetic forces ripple throughout the universe, from the fields surrounding planets to the gasses filling galaxies, and can be launched by a phenomenon called the Biermann battery effect. Now scientists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics...
4 hours
Chandra and ALMA measure speed of sloshing gas in galaxy cluster
PHYS.ORG
VIDEO
Almost all galaxy clusters experience mergers. While a merger takes place, a specific spiral pattern can often be observed in X-ray images. Such a spiral feature...
Almost all galaxy clusters experience mergers. While a merger takes place, a specific spiral pattern can often be observed in X-ray images. Such a spiral feature is due to the motion of the sloshing gas induced by a merger. Observing...
7 hours
Astronomers Find a Cosmic Titan in the Early Universe
ASTRO WATCH
An international team of astronomers has discovered a titanic structure in the early universe, just 2 billion years...
An international team of astronomers has discovered a titanic structure in the early universe, just 2 billion years after the Big Bang. This galaxy proto-supercluster, nicknamed Hyperion, is the largest and most massive structure yet found at such a remote...
10 hours
Moon Helps Reveal Secrets of the Universe
ASTRO WATCH
The Moon may be the key to unlocking how the first stars and galaxies shaped the early Universe. A team of astronomers...
The Moon may be the key to unlocking how the first stars and galaxies shaped the early Universe. A team of astronomers led by Dr Benjamin McKinley at Curtin University node of the International Centre for Radio Astronomy Research (ICRAR)...
20 hours
Blazar's brightness cycle confirmed by NASA's Fermi mission
PHYS.ORG
A two-year cycle in the gamma-ray brightness of a blazar, a galaxy powered by a supermassive black hole, has been confirmed by 10 years of observations from NASA's Fermi Gamma-ray Space Telescope....
A two-year cycle in the gamma-ray brightness of a blazar, a galaxy powered by a supermassive black hole, has been confirmed by 10 years of observations from NASA's Fermi Gamma-ray Space Telescope. The findings were announced today at the Eighth...
1 day
VIDEO: 5,000 robots merge to map the universe in 3-D
PHYS.ORG
VIDEO
How do you create the largest 3-D map of the universe? It's as easy as teaching 5,000 robots how to "dance." DESI, the Dark Energy Spectroscopic Instrument, is...
How do you create the largest 3-D map of the universe? It's as easy as teaching 5,000 robots how to "dance." DESI, the Dark Energy Spectroscopic Instrument, is an experiment that will target millions of distant galaxies by automatically swiveling...
1 day
Astronomers Find Proto-Supercluster of Galaxies in Early Universe
SCI-NEWS.COM
Astronomers using ESO’s Very Large Telescope have spotted a gigantic galaxy proto-supercluster in the early Universe, just 2.3 billion years...
Astronomers using ESO’s Very Large Telescope have spotted a gigantic galaxy proto-supercluster in the early Universe, just 2.3 billion years after the Big Bang. Nicknamed Hyperion, the newly-discovered proto-supercluster is the largest and most massive structure to be found so...
1 day
Magnetic Fields may be the Key to Black Hole Activity
ASTRO WATCH
Researchers using NASA’s SOFIA airborne telescope have found that magnetic fields are trapping the material that...
Researchers using NASA’s SOFIA airborne telescope have found that magnetic fields are trapping the material that feeds the supermassive black hole in the galaxy Cygnus A. Collimated jets provide astronomers with some of the most powerful evidence that a supermassive...
1 day
Missing Gamma-ray Blobs Shed New Light on Dark Matter, Cosmic Magnetism
ASTRO WATCH
When astrophysicists look at the gamma-ray glow from a galaxy outside our own, all...
When astrophysicists look at the gamma-ray glow from a galaxy outside our own, all they typically see is a small spot because the galaxy is extremely far away. So, when a galaxy appears as an extended blob, something extraordinary must...
2 days
Scientists in Chile unveil 'A Cosmic Titan' cluster of galaxies
REUTERS
Astronomers peering billions of light years into space have detected the largest, most extensive collection of...
Astronomers peering billions of light years into space have detected the largest, most extensive collection of galaxies ever registered in the early days of the universe, a "proto-supercluster" they nicknamed Hyperion after a titan from Greek mythology.
2 days
Astronomers find a cosmic Titan in the early universe
SCIENCE DAILY
Astronomers have discovered a titanic structure in the early universe, just two billion years after the Big Bang. This galaxy proto-supercluster, nicknamed Hyperion, is the largest and most massive structure...
Astronomers have discovered a titanic structure in the early universe, just two billion years after the Big Bang. This galaxy proto-supercluster, nicknamed Hyperion, is the largest and most massive structure yet found at such a remote time and distance.
2 days
Astronomers find a cosmic Titan in the early universe
PHYS.ORG
An international team of astronomers has discovered a titanic structure in the early Universe, just two billion years after the Big Bang. This galaxy proto-supercluster, nicknamed Hyperion, is the largest...
An international team of astronomers has discovered a titanic structure in the early Universe, just two billion years after the Big Bang. This galaxy proto-supercluster, nicknamed Hyperion, is the largest and most massive structure yet found at such a remote...
2 days
The Moon helps reveal secrets of the universe
PHYS.ORG
The Moon may be the key to unlocking how the first stars and galaxies shaped the early universe.
The Moon may be the key to unlocking how the first stars and galaxies shaped the early universe.
2 days
Researchers investigate the peculiar radio source IC 1531
PHYS.ORG
An international team of researchers has investigated a peculiar extragalactic radio source known as IC 1531. The new study analyzes the nature of IC 1531's high-energy emission, suggesting that the source is...
An international team of researchers has investigated a peculiar extragalactic radio source known as IC 1531. The new study analyzes the nature of IC 1531's high-energy emission, suggesting that the source is a radio galaxy. The findings are presented in...
2 days
Award-winning algorithm takes search for habitable planets to the next level
PHYS.ORG
An international team of scientists, including KAUST high performance computing experts and astronomers from the Paris Observatory and the National Astronomical Observatory of Japan (NAOJ), in...
An international team of scientists, including KAUST high performance computing experts and astronomers from the Paris Observatory and the National Astronomical Observatory of Japan (NAOJ), in collaboration with NVIDIA, is taking the search for habitable planets and observation of first...
2 days
Magnetic fields may be the key to black hole activity
PHYS.ORG
Collimated jets provide astronomers with some of the most powerful evidence that a supermassive black hole lurks in the heart of most galaxies. Some of these black holes...
Collimated jets provide astronomers with some of the most powerful evidence that a supermassive black hole lurks in the heart of most galaxies. Some of these black holes appear to be active, gobbling up material from their surroundings and launching...
2 days
Supermassive black holes and supercomputers
SCIENCE DAILY
The universe's deep past is beyond the reach of even the mighty Hubble Space Telescope. But a new review explains how creation of the first stars and galaxies is nevertheless being mapped in detail, with the aid of...
The universe's deep past is beyond the reach of even the mighty Hubble Space Telescope. But a new review explains how creation of the first stars and galaxies is nevertheless being mapped in detail, with the aid of computer simulations...
2 days
Missing gamma-ray blobs shed new light on dark matter, cosmic magnetism
PHYS.ORG
VIDEO
When astrophysicists look at the gamma-ray glow from a galaxy outside our own, all they typically see is a small spot because the galaxy is extremely...
When astrophysicists look at the gamma-ray glow from a galaxy outside our own, all they typically see is a small spot because the galaxy is extremely far away. So, when a galaxy appears as an extended blob, something extraordinary must...
3 days
NASA wants to send humans to Venus – here's why that's a brilliant idea
PHYS.ORG
Popular science fiction of the early 20th century depicted Venus as some kind of wonderland of pleasantly warm temperatures, forests,...
Popular science fiction of the early 20th century depicted Venus as some kind of wonderland of pleasantly warm temperatures, forests, swamps and even dinosaurs. In 1950, the Hayden Planetarium at the American Natural History Museum were soliciting reservations for the...
3 days
Computer Simulation Sheds Light on Supermassive Black Hole Mergers
SCI-NEWS.COM
For the first time, a new computer simulation that incorporates the physical effects of Einstein’s general theory of...
For the first time, a new computer simulation that incorporates the physical effects of Einstein’s general theory of relativity shows that gas in supermassive binary black hole systems approaching merger will glow predominantly in UV and X-ray light. An analysis...
4 days
Hubble Finds Strong-Lensing Galaxy Cluster
SCI-NEWS.COM
A stunning new image from the NASA/ESA Hubble Space Telescope shows the effects of gravitational lensing caused by SDSS J0952+3434, a very massive group of galaxies...
A stunning new image from the NASA/ESA Hubble Space Telescope shows the effects of gravitational lensing caused by SDSS J0952+3434, a very massive group of galaxies located approximately 4 billion light-years away in the constellation Leo Minor. Galaxy clusters contain...
4 days
The Milky Way could be spreading life from star to star
PHYS.ORG
For almost two centuries, scientists have theorized that life may be distributed throughout the universe by meteoroids, asteroids, planetoids, and other astronomical objects. This theory, known...
For almost two centuries, scientists have theorized that life may be distributed throughout the universe by meteoroids, asteroids, planetoids, and other astronomical objects. This theory, known as Panspermia, is based on the idea that microorganisms and the chemical precursors of...
4 days
What does a black hole look like?
PHYS.ORG
At the center of our galaxy lies a swirling, energy-spewing supermassive black hole called Sagittarius A* or Sgr A*, for short. For billions of years, surrounding gas and dust have been falling into it....
At the center of our galaxy lies a swirling, energy-spewing supermassive black hole called Sagittarius A* or Sgr A*, for short. For billions of years, surrounding gas and dust have been falling into it. Every 10,000 years or so, it...
4 days
Milky Way Meets Zodiacal Light Over ALMA Observatory (Photo)
SPACE.COM
This scene shows the magnificent presence of the Milky Way galaxy, full of nebulous clouds of interstellar gas and dust and sparkling star clusters shining bright in one of the...
This scene shows the magnificent presence of the Milky Way galaxy, full of nebulous clouds of interstellar gas and dust and sparkling star clusters shining bright in one of the most pristine dark-sky sites in the world.
4 days
Active galactic nuclei and star formation
PHYS.ORG
Most galaxies host a supermassive black hole (SMBH) at their nucleus. (A supermassive black hole is one whose mass exceeds a million solar-masses.) A key unresolved issue in galaxy formation and evolution is the role these...
Most galaxies host a supermassive black hole (SMBH) at their nucleus. (A supermassive black hole is one whose mass exceeds a million solar-masses.) A key unresolved issue in galaxy formation and evolution is the role these SMBHs play in shaping...
4 days
Virgin Galactic preparing for next phase of SpaceShipTwo test flight program
SPACE NEWS
Virgin Galactic’s chief executive says the company is approaching the “next phase” of the...
Virgin Galactic’s chief executive says the company is approaching the “next phase” of the flight test program for the company’s SpaceShipTwo suborbital vehicle as the company’s founder predicts the company reaching space in “weeks.” SpaceNews.com
6 days
Sextans: The smallest cannibal galaxy discovered until now
PHYS.ORG
A team at the Instituto de Astrofísica de Canarias (IAC) has discovered a new case of galactic cannibalism in the neighbourhood of the Milky Way, which has caused the merging of two...
A team at the Instituto de Astrofísica de Canarias (IAC) has discovered a new case of galactic cannibalism in the neighbourhood of the Milky Way, which has caused the merging of two galaxies on the smallest scale so far known.
1 week
Galaxy NGC 3256 contains substantial amounts of dark matter, study suggests
PHYS.ORG
A new research recently carried out by astronomers suggests that the galaxy NGC 3256 has substantial amounts of dark matter in its central region. The finding,...
A new research recently carried out by astronomers suggests that the galaxy NGC 3256 has substantial amounts of dark matter in its central region. The finding, presented in a paper published October 2 on arXiv.org, might pose a challenge to...
1 week
Super-Fast Stars in the Milky Way May Be Visitors from Beyond
SPACE.COM
A team of astronomers noticed something interesting when they were sifting through the recently published second data release from the Gaia mission.
A team of astronomers noticed something interesting when they were sifting through the recently published second data release from the Gaia mission.
1 week
Researchers Solve Mystery at the Center of the Milky Way
ASTRO WATCH
Astronomers from Lund University in Sweden have now found the explanation to a recent mystery at...
Astronomers from Lund University in Sweden have now found the explanation to a recent mystery at the center of the Milky Way galaxy: the high levels of scandium discovered last spring near the galaxy’s giant black hole were in fact...
1 week
Galactic Archaeology
ASTRO WATCH
An international team of researchers, including David S. Aguado, Jonay González and Carlos Allende Prieto of the Instituto de Astrofísica de Canarias (IAC), has found a star with extremely low metallicity, one...
An international team of researchers, including David S. Aguado, Jonay González and Carlos Allende Prieto of the Instituto de Astrofísica de Canarias (IAC), has found a star with extremely low metallicity, one of the oldest in the Milky Way, and...
1 week
New telescope almost doubles known number of mysterious 'fast radio bursts'
SCIENCE DAILY
Astronomers have nearly doubled the known number of 'fast radio bursts'-- powerful flashes of radio waves from deep space. The team's discoveries include the closest and...
Astronomers have nearly doubled the known number of 'fast radio bursts'-- powerful flashes of radio waves from deep space. The team's discoveries include the closest and brightest fast radio bursts ever detected and they have proved that fast radio bursts...
1 week
Mystery at the center of the Milky Way solved
SCIENCE DAILY
Astronomers have now found the explanation to a recent mystery at the center of the Milky Way galaxy: the high levels of scandium discovered last spring near the galaxy's giant...
Astronomers have now found the explanation to a recent mystery at the center of the Milky Way galaxy: the high levels of scandium discovered last spring near the galaxy's giant black hole were in fact an optical illusion.
1 week
High levels of scandium near the galaxy's giant black hole were illusory, astronomers find
PHYS.ORG
Astronomers from Lund University in Sweden have now found the explanation to a recent mystery at the centre of the...
Astronomers from Lund University in Sweden have now found the explanation to a recent mystery at the centre of the Milky Way galaxy: the high levels of scandium discovered last spring near the galaxy's giant black hole were in fact...
1 week
Branson says Virgin Galactic to launch space flight 'within weeks'
PHYS.ORG
British entrepreneur Richard Branson said he expects his Virgin Galactic company to conduct its first space flight "within weeks, not months" in comments broadcast Tuesday.
British entrepreneur Richard Branson said he expects his Virgin Galactic company to conduct its first space flight "within weeks, not months" in comments broadcast Tuesday.
1 week
Hubble Sees Swirling Spiral: Messier 95
SCI-NEWS.COM
The NASA/ESA Hubble Space Telescope has taken a detailed image of a spectacular part of the spiral galaxy Messier 95. Messier 95 is a...
The NASA/ESA Hubble Space Telescope has taken a detailed image of a spectacular part of the spiral galaxy Messier 95. Messier 95 is a barred spiral galaxy located in the constellation Leo. This galaxy was discovered by astronomer Pierre Méchain...
2 weeks
Planetary nebulae reveal kinematics of Messier 87 galaxy's outer halo
PHYS.ORG
Astronomers have carried out a study of almost 300 hundred planetary nebulae in the supergiant elliptical galaxy Messier 87. The new research, published September 27 on the arXiv...
Astronomers have carried out a study of almost 300 hundred planetary nebulae in the supergiant elliptical galaxy Messier 87. The new research, published September 27 on the arXiv pre-print repository, reveals essential information about the galaxy's outer halo and its...
2 weeks
Image: Hot X-ray glow from massive cluster of galaxies
PHYS.ORG
Astronomers using ESA's XMM-Newton space observatory have captured the X-ray glow (shown here in purple) emitted by the hot gas that pervades the galaxy cluster XLSSC006.
Astronomers using ESA's XMM-Newton space observatory have captured the X-ray glow (shown here in purple) emitted by the hot gas that pervades the galaxy cluster XLSSC006.
2 weeks
Remarkable flares from the galactic center
PHYS.ORG
Sagittarius A* (Sgr A*), the supermassive black hole at the center of our Milky Way Galaxy, is 100 times closer to us than any other SMBH and therefore a prime candidate for studies of how matter...
Sagittarius A* (Sgr A*), the supermassive black hole at the center of our Milky Way Galaxy, is 100 times closer to us than any other SMBH and therefore a prime candidate for studies of how matter radiates as it accretes...
2 weeks
X-ray glow
ESA
Space Science Image of the Week: The hot gas pervading this massive cluster of galaxies shines brightly in X-ray wavelengths, as seen by ESA's XMM-Newton space observatory
Space Science Image of the Week: The hot gas pervading this massive cluster of galaxies shines brightly in X-ray wavelengths, as seen by ESA's XMM-Newton space observatory
2 weeks
Observations Challenge Cosmological Theories
ASTRO WATCH
Recent observations create a puzzle for astrophysicists: since the big bang, less galaxy clusters have formed over time than was actually expected. Physicists from the university of Bonn...
Recent observations create a puzzle for astrophysicists: since the big bang, less galaxy clusters have formed over time than was actually expected. Physicists from the university of Bonn have now confirmed this phenomenon. For the next three years, the researchers...
2 weeks
Astronomers Detect Highly Energetic Radiation from Microquasar
SCI-NEWS.COM
Astronomers have detected gamma rays coming from the outermost regions of an unusual star system within our Milky Way Galaxy. The source...
Astronomers have detected gamma rays coming from the outermost regions of an unusual star system within our Milky Way Galaxy. The source is a microquasar — a black hole that gobbles up stuff from a nearby companion star and blasts...
2 weeks
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