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Preview: Brightsurf Science News :: Star Cluster News

Star Cluster Current Events and Star Cluster News from Brightsurf

Star Cluster Current Events and Star Cluster News Events, Discoveries and Articles from Brightsurf

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Aging star blows off smoky bubble

Wed, 20 Sep 17 00:12:20 -0700

Astronomers have used ALMA to capture a strikingly beautiful view of a delicate bubble of expelled material around the exotic red star U Antliae. These observations will help astronomers to better understand how stars evolve during the later stages of their life-cycles.

Is the Milky Way an 'outlier' galaxy? Studying its 'siblings' for clues

Wed, 20 Sep 17 00:03:10 -0700

The most-studied galaxy in the universe -- the Milky Way -- might not be as 'typical' as previously thought, according to a new study. Early results from the Satellites Around Galactic Analogs (SAGA) Survey indicate that the Milky Way's satellites are much more tranquil than other systems of comparable luminosity and environment. Many satellites of those 'sibling' galaxies are actively pumping out new stars, but the Milky Way's satellites are mostly inert, the researchers found.

Scientists find cellular backup plan for keeping iron levels just right

Wed, 20 Sep 17 00:03:00 -0700

Researchers in the Nutritional Sciences department at the University of Wisconsin have uncovered a new connection in the network of checks and balances underlying cellular iron regulation.

Cost effective quantum moves a step closer

Tue, 19 Sep 17 00:14:50 -0700

Canadian and US researchers have taken an important step towards enabling quantum networks to be cost-effective and truly secure from attack. The experiments, by the team from the University of Calgary, the California Institute of Technology and the National Institute of Standards and Technology, Colorado, prove the viability of a measurement-device-independent quantum key distribution (QKD) system, based on readily available hardware.

Research sparks new way to predict movie-goers' facial expressions

Tue, 19 Sep 17 00:02:50 -0700

Researchers in Simon Fraser University's School of Computing Science have been working with Disney Research to develop a new way to assess and predict the facial expressions of movie goers. This method could help to make artificial data created in animation look more realistic.

Scientists from MSU have invented a new way to 'weigh' intergalactic black holes

Tue, 19 Sep 17 00:08:20 -0700

Astrophysicists from Moscow State University have found a new way to estimate the mass of supermassive black holes outside our galaxy, even if these holes are barely detectable. The results of the study were published in the Astronomy and Astrophysics journal

Secrets of bright, rapidly spinning star revealed

Mon, 18 Sep 17 00:09:10 -0700

Almost 50 years after it was first predicted that rapidly rotating stars would emit polarized light, a UNSW Sydney-led team of scientists has succeeded in observing the phenomenon for the first time. They used a highly sensitive piece of equipment designed and built at UNSW and attached to the Anglo-Australian Telescope at Siding Spring Observatory in western NSW to detect the polarized light from Regulus, one of the brightest stars in the night sky.

Star formation influenced by local environmental conditions

Fri, 15 Sep 17 00:10:20 -0700

Three scientists at Niels Bohr Institute (NBI), University of Copenhagen, have carried out extensive computer simulations related to star formation. They conclude that the present idealized models are lacking when it comes to describing details in the star formation process. 'Hopefully our results can also help shed more light on planet formation', says Michael Küffmeier, astrophysicist and head of the research team.

The return of the comet-like exoplanet

Thu, 14 Sep 17 00:08:40 -0700

Astronomers from UNIGE), also members of the PlanetS, focused the Hubble Space Telescope on an exoplanet that had already been seen losing its atmosphere, which forms an enormous cloud of hydrogen, giving the planet the appearance of a giant comet. During earlier observations, it was not possible to cover the whole cloud, whose shape was predicted by numerical simulations. Thanks to these new observations, the scientists have finally been able to confirm the initial predictions.

NASA's Hubble captures blistering pitch-black planet

Thu, 14 Sep 17 00:12:10 -0700

NASA's Hubble Space Telescope has observed a planet outside our solar system that looks as black as fresh asphalt.

Hubble observes pitch black planet

Thu, 14 Sep 17 00:11:40 -0700

Astronomers have discovered that the well-studied exoplanet WASP-12b reflects almost no light, making it appear essentially pitch black. This discovery sheds new light on the atmospheric composition of the planet and also refutes previous hypotheses about WASP-12b's atmosphere. The results are also in stark contrast to observations of another similarly sized exoplanet.

The neurons that will quench your thirst

Thu, 14 Sep 17 00:15:50 -0700

Scientists have identified a subgroup of neurons in mice that drive a critical instinct -- thirst.

Supported liquid metal catalysts -- a new generation of reaction accelerators

Wed, 13 Sep 17 00:03:30 -0700

Catalysts are agents that initiate chemical reactions, speed them up or increase the yield of the desired product. New and improved catalysts are thus considered the key to creating more sustainable and efficient production processes in the chemical industry. Researchers at FAU have discovered how to bypass the known drawbacks of the technical catalysts that are currently in use by means of a new material concept that makes the creation of significantly more efficient catalysts possible.

A one-of-a-kind star found to change over decades

Tue, 12 Sep 17 00:11:40 -0700

Researchers at the University of Notre Dame recently found new evidence that lends support to an existing theory of how the unusual star emits energy.

Sun erupts with significant flare

Mon, 11 Sep 17 00:02:20 -0700

The sun emitted a significant, X8.2-class solar flare, peaking at 12:06 p.m. EDT on Sept. 10, 2017. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.

Explosive birth of stars swells galactic cores

Sun, 10 Sep 17 00:03:10 -0700

Astronomers found that active star formation upswells galaxies, like yeast helps bread rise. Using three powerful telescopes on the ground and in orbit, they observed galaxies from 11 billion years ago and found explosive formation of stars in the cores of galaxies. This suggests that galaxies can change their own shape without interaction with other galaxies.

Are we being watched? Tens of other worlds could spot the Earth

Fri, 08 Sep 17 00:13:10 -0700

A group of scientists from Queen's University Belfast and the Max Planck Institute for Solar System Research in Germany have turned exoplanet-hunting on its head, in a study that instead looks at how an alien observer might be able to detect Earth using our own methods. They find that at least nine exoplanets are ideally placed to observe transits of Earth, in a new work published in the journal Monthly Notices of the Royal Astronomical Society.

Ultraviolet light from superluminous supernova key to revealing explosion mechanism

Thu, 07 Sep 17 00:12:50 -0700

An international team of researchers led by Kavli IPMU's Alexey Tolstov and Ken'ichi Nomoto have discovered a way to use UV light from superluminous supernovae to uncover its explosion mechanism, and used it to identify Gaia16apd as a shock-interacting supernova, reports a new study.

Climate change for aliens

Thu, 07 Sep 17 00:00:10 -0700

For more than 50 years, the Kardashev scale has been the gold standard for classifying hypothetical 'exo-civilizations' by their ability to harness energy. A team of researchers led by Rochester astrophysicist Adam Frank have devised a new system that takes into account the impacts of that energy use.

Supercharging silicon batteries

Wed, 06 Sep 17 00:06:10 -0700

OIST scientists designed a novel silicon-based anode to provide lithium batteries with increased power and better stability.

Accretion-powered pulsar reveals unique timing glitch

Wed, 06 Sep 17 00:07:10 -0700

The discovery of the largest timing irregularity yet observed in a pulsar is the first confirmation that pulsars in binary systems exhibit the strange phenomenon known as a 'glitch.' The study is published in the journal Monthly Notices of the Royal Astronomical Society.

Earth as hybrid planet: New classification places Anthropocene era in astrobiological context

Wed, 06 Sep 17 00:00:50 -0700

A team of researchers including the University of Washington's Marina Alberti has devised a new classification scheme for the evolutionary stages of worlds based on 'non-equilibrium thermodynamics' -- a planet's energy flow being out of synch, as the presence of life could cause. Lead author is Adam Frank of the University of Rochester.

'Extreme' telescopes find the second-fastest-spinning pulsar

Tue, 05 Sep 17 00:09:30 -0700

By following up on mysterious high-energy sources mapped by NASA's Fermi Gamma-ray Space Telescope, a Netherlands-based radio telescope has discovered a new pulsar, the second fastest-spinning known.

How rubber makes sports possible (video)

Tue, 05 Sep 17 00:11:30 -0700

Sports balls of all varieties owe their resilience and reliability to an unusual polymer -- one whose derivatives and spinoffs are everywhere you look, from cars to shoes to rocket fuel. Learn about rubber, the all-star's best friend, in this new video from Reactions:

Engineers develop tools to share power from renewable energy sources during outages

Tue, 05 Sep 17 00:15:00 -0700

A team of engineers at the University of California San Diego developed algorithms that would allow homes to use and share power from their renewable energy sources during outages by strategically disconnecting these devices, called solar inverters, from the grid. The algorithms work with existing technology and would improve systems' reliability by 25 to 35 percent.

Algorithm unlocks smartwatches that learn your every move

Sun, 03 Sep 17 00:09:20 -0700

Scientists at the University of Sussex have invented a new algorithm that enables smartwatches to detect and record your every move, without being told beforehand what to look for.

UCLA physicists propose new theories of black holes from the very early universe

Fri, 01 Sep 17 00:05:50 -0700

'Primordial black holes,' believed to have formed shortly after the Big Bang, might explain how heavy elements such as gold, platinum and uranium came to be, UCLA physicists report.

Hubble delivers first hints of possible water content of TRAPPIST-1 planets

Thu, 31 Aug 17 00:08:20 -0700

An international team of astronomers used the NASA/ESA Hubble Space Telescope to estimate whether there might be water on the seven earth-sized planets orbiting the nearby dwarf star TRAPPIST-1. The results suggest that the outer planets of the system might still harbour substantial amounts of water. This includes the three planets within the habitable zone of the star, lending further weight to the possibility that they may indeed be habitable.

ALMA finds huge hidden reservoirs of turbulent gas in distant galaxies

Wed, 30 Aug 17 00:07:10 -0700

ALMA has been used to detect turbulent reservoirs of cold gas surrounding distant starburst galaxies. By detecting CH+ for the first time in the distant universe this research opens up a new window of exploration into a critical epoch of star formation. The presence of this molecule sheds new light on how galaxies manage to extend their period of rapid star formation. The results appear in the journal Nature.

Researchers propose how the universe became filled with light

Wed, 30 Aug 17 00:07:00 -0700

University of Iowa researchers have a new explanation for how the universe changed from darkness to light. They propose that black holes within galaxies produce winds strong enough to fling out matter that punctures holes in galaxies, allowing light to escape.

Scientists recover nova first spotted 600 years ago by Korean astrologers

Wed, 30 Aug 17 00:12:00 -0700

A new study pinpoints the location of a nova first spotted by Korean astrologers almost 600 years ago that now undergoes smaller-scale 'dwarf nova' eruptions. The work supports that idea that novae go through a very long-term life cycle after erupting, fading to obscurity for thousands of years, and then building back up to become full-fledged novae once more.

Artificial intelligence analyzes gravitational lenses 10 million times faster

Wed, 30 Aug 17 00:11:40 -0700

Researchers from the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have for the first time shown that neural networks -- a form of artificial intelligence -- can accurately analyze the complex distortions in spacetime known as gravitational lenses 10 million times faster than traditional methods.

New species of crab with unusual outgrowths has its name written in the stars

Tue, 29 Aug 17 00:05:20 -0700

A new 'star crab' has been collected from red coral beds in Taiwan and reefs in the Philippines. This astonishing creature is distinct with its carapace and chelipeds covered in pointy protrusions, which become rounder and mushroom-shaped with age to resemble star-like outgrowths and granules. Scientists Dr. Peter Ng and Dr. Ming-Shiou Jeng describe the new species and report another rare crab spotted for the first time from the country, in the open-access journal ZooKeys.

Georgia State astronomers collaborate to study variability in Seven Sisters cluster

Mon, 28 Aug 17 00:08:30 -0700

An international team of astronomers has used a new algorithm to enhance observations from the NASA Kepler Space Telescope in its K2 Mission and perform the most detailed study yet of the variability of the Seven Sisters star cluster.

Kepler satellite discovers variability in the Seven Sisters

Fri, 25 Aug 17 00:04:00 -0700

Dr. Tim White of the Stellar Astrophysics Centre at Aarhus University and his team of Danish and international astronomers have demonstrated a powerful new technique for observing stars such as the Pleiades star cluster, which are ordinarily far too bright to look at with high performance telescopes. Their work is published in the Monthly Notices of the Royal Astronomical Society.

For pregnancy or profit: Motive for undergoing IVF may alter the experience

Fri, 25 Aug 17 00:07:00 -0700

A new study published in the journal Social Science and Medicine compares the physical, emotional, and cognitive experiences of women undergoing in vitro fertilization (IVF) either to become pregnant or to donate their eggs for money. The researchers found that there is a direct correlation between the intensity of a woman's bodily experience and her reason for harvesting eggs.

Best ever image of a star's surface and atmosphere

Wed, 23 Aug 17 00:12:50 -0700

Using ESO's Very Large Telescope Interferometer astronomers have constructed the most detailed image ever of a star -- the red supergiant star Antares. They have also made the first map of the velocities of material in the atmosphere of a star other than the sun, revealing unexpected turbulence in Antares's huge extended atmosphere. The results were published in the journal Nature.

UChicago scientists detect first X-rays from mystery supernovas
A team of scientists, including scholars from the University of Chicago, appear to have found the first X-rays coming from type Ia supernovae. Their findings are published in the