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Space Weather Current Events and Space Weather News from Brightsurf

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Decades of research identify source of galaxy-sized stream of gas

Fri, 23 Mar 18 00:05:10 -0700

A cloud of gas 300,000 light-years long is arching around the Milky Way, shunted away from two dwarf galaxies orbiting our own. For decades, astronomers have wanted to know which of the two galaxies, the Large and Small Magellanic Clouds, is the source of the gas that has been expelled as the two galaxies gravitationally pull at one another. The answer will help astronomers understand how galaxies form and change over time.

Arctic wintertime sea ice extent is among lowest on record

Fri, 23 Mar 18 00:07:00 -0700

Sea ice in the Arctic grew to its annual maximum extent last week, and joined 2015, 2016 and 2017 as the four lowest maximum extents on record, according to scientists at the NASA-supported National Snow and Ice Data Center (NSIDC) and NASA.

Earwigs and the art of origami

Thu, 22 Mar 18 00:08:40 -0700

ETH Zurich researchers have developed multifunctional origami structures, which they then fabricated into 4-D printed objects. The design principle mimics the structure of an earwig's wing.

Hubble solves cosmic 'whodunit' with interstellar forensics

Thu, 22 Mar 18 00:12:00 -0700

On the outskirts of our galaxy, a cosmic tug-of-war is unfolding-and only NASA's Hubble Space Telescope can see who's winning.

The problem of jaguars and space in western Paraguay

Wed, 21 Mar 18 00:12:50 -0700

A recent study, published in the journal Mammalia, shows how researchers used GPS technology and new analytical techniques to produce the first rigorous estimates of jaguar spatial needs and movements in the Gran Chaco and Pantanal ecosystems of Paraguay.

New interactive map shows climate change everywhere in world

Wed, 21 Mar 18 00:16:20 -0700

University of Cincinnati geography professor Tomasz Stepinski created a new interactive map that allows students or researchers to compare the climates of places anywhere in the world. The map draws on five decades of public meteorological data recorded from 50,000 international weather stations around the Earth. And it uses prediction models to display which parts of the globe will experience the most or least climate change in the next 50 years.

New data confirm increased frequency of extreme weather events

Wed, 21 Mar 18 00:01:30 -0700

New data confirm increased frequency of extreme weather events, European national science academies urge further action on climate change adaptation. Man-made climate change has been proven to have increased recent extreme rainfall and associated floods; coastal flooding due to sea-level rise; heatwaves in Australia, China, and Europe; and increased risks of wildfires with implications for humans and animals, the environment, and the economy. Climate proofing can help to limit these impacts.

Scientists use diamond in world's first continuous room-temperature solid-state maser

Wed, 21 Mar 18 00:02:20 -0700

The breakthrough means masers -- the microwave version of lasers -- could now be used more widely in a range of applications.

Extreme winter weather, such as 'Beast from the East', can be linked to solar cycle

Tue, 20 Mar 18 00:10:40 -0700

Periods of extreme cold winter weather and perilous snowfall, similar to those that gripped the UK in a deep freeze with the arrival of the 'Beast from the East', could be linked to the solar cycle, pioneering new research has shown.

Danger ahead?

Tue, 20 Mar 18 00:12:50 -0700

A major shift in western Arctic wind patterns occurred throughout the winter of 2017 and the resulting changes in sea ice movement are possible indicators of a changing climate, says Kent Moore, a professor of physics at the University of Toronto Mississauga.

Taming chaos: Calculating probability in complex systems

Tue, 20 Mar 18 00:16:10 -0700

Weather patterns, brain activity and heartbeats each generate lines of complex data. To analyze this data, researchers must first divide up this continuous data into discrete pieces -- a task difficult to perform simply and accurately. Researchers have devised a method to transform data from complex systems, reducing the amount of important information lost, while still using less computing power than existing methods. They describe this new method in the current issue of Chaos.

Theory of non-orthogonalization and spatial localization for convection-allowing ensemble forecast

Tue, 20 Mar 18 00:09:50 -0700

The method to generate initial perturbations is the core problem focalized by ensemble forecast system (EPS). Recently, a new convection-allowing ensemble prediction method based on the consideration of perturbations growth with non-orthogonalization and strong spatial localization has been proposed by researchers, which has been published on Science China Earth Sciences 2018.

Human influence on climate change will fuel more extreme heat waves in US

Mon, 19 Mar 18 00:10:00 -0700

Human-caused climate change will drive more extreme summer heat waves in the western US, including in California and the Southwest as early as 2020, new research shows.

Assaults spiked on Trump rally days during 2016 election

Fri, 16 Mar 18 00:03:50 -0700

Cities experienced 2.3 more assaults than average on days when hosting presidential campaign rallies for Donald Trump during the lead-up to the 2016 United States Presidential Election, according to a first of its kind study published today in Epidemiology by researchers in the Perelman School of Medicine at the University of Pennsylvania. Hillary Clinton rallies were not linked to any increase in assaults.

Tree care workers need better training to handle dangers on the job, Rutgers study finds

Fri, 16 Mar 18 00:06:10 -0700

A Rutgers study calls attention to post-storm hazards posed to tree care workers and provides safety recommendations.

UNH Researchers find space radiation is increasingly more hazardous

Thu, 15 Mar 18 00:01:50 -0700

UNH Researchers Find Space Radiation is Increasingly More Hazardous.

Getting lost: Why older people might lose their way

Thu, 15 Mar 18 00:07:10 -0700

Researchers at the German Center for Neurodegenerative Disease (DZNE) have found a possible explanation for the difficulty in spatial orientation experienced sometimes by elderly people. In the brains of older adults, they detected an unstable activity in an area that is central for spatial navigation. The results are reported in the journal Current Biology. In the long term, these findings might open up new ways for detecting Alzheimer's disease.

Chain reaction of fast-draining lakes poses new risk for Greenland ice sheet

Wed, 14 Mar 18 00:13:50 -0700

A growing network of lakes on the Greenland ice sheet has been found to drain in a chain reaction that speeds up the flow of the ice sheet, threatening its stability.

Droughts in Mongolia -- past, present and future

Wed, 14 Mar 18 00:09:20 -0700

The extreme wet and dry periods Mongolia has experienced in the late 20th and early 21st centuries are rare but not unprecedented and future droughts may be no worse. An international team of researchers developed a climate record stretching 2,060 years into Mongolia's past using tree rings. The team then combined the tree-ring record of past climate with computer models that can project future regional climate.

Mystery of purple lights in sky solved with help from citizen scientists

Wed, 14 Mar 18 00:06:50 -0700

When a thin purple ribbon of light appeared and starting glowing in the midnight sky over Regina, Canada, in 2016, Notanee Bourassa knew that what he was seeing was not normal. Having watched the northern lights for almost 30 years, he knew this wasn't an aurora. It was something else.

Health chiefs failing to investigate rising deaths in England and Wales, argue experts

Wed, 14 Mar 18 00:14:00 -0700

Health chiefs are failing to investigate a clear pattern of rising death rates and worsening health outcomes in England and Wales, argue experts in The BMJ today.

SwRI-led mission finds Jupiter's atmospheric beauty is more than skin deep

Wed, 14 Mar 18 00:15:30 -0700

In the year and a half NASA's Juno spacecraft has been orbiting Jupiter, the science team led by Southwest Research Institute's Dr. Scott Bolton has discovered that the orange and white bands that characterize Jupiter's outer atmosphere extend thousands of miles into the gas giant's atmosphere. The findings are part of a four-article collection about Juno science results in the March 8th edition of the journal Nature.

Warm arctic means colder, snowier winters in northeastern US, study says

Tue, 13 Mar 18 00:05:30 -0700

Scientists from Rutgers University-New Brunswick and Atmospheric and Environmental Research (AER) have linked the frequency of extreme winter weather in the United States to Arctic temperatures.

UH optometrist investigates changes in eye structure in astronauts

Tue, 13 Mar 18 00:04:40 -0700

A University of Houston optometrist studies the vision of returning International Space Station astronauts and proves a structural change to their eyes.

A revolutionary technique allows to image all the cells in a region of the brain

Mon, 12 Mar 18 00:00:30 -0700

An interdisciplinary group of physicists and biologists working on research into brain cells have come up with a new, revolutionary microscopy technique which for the first time allows images to be obtained of all the cells within a specified area of living brain tissue.

Humans behind majority of raptor deaths in Ontario, study finds

Mon, 12 Mar 18 00:00:20 -0700

University of Guelph researchers found that a majority of raptor deaths are due to trauma and starvation caused by urban expansion and other types of anthropogenic landscape alterations.

NASA's James Webb Observatory prepares for additional testing

Mon, 12 Mar 18 00:04:10 -0700

Engineers removed the combined optics and science instruments of NASA's James Webb Space Telescope from their shipping container in a high bay at Northrop Grumman Aerospace Systems in Redondo Beach, California, on March 8, signaling the next step in the observatory's integration and testing.

Arrested development: Hubble finds relic galaxy close to home

Mon, 12 Mar 18 00:07:00 -0700

Astronomers have put NASA's Hubble Space Telescope on an Indiana Jones-type quest to uncover an ancient 'relic galaxy' in our own cosmic backyard.

Three NASA satellites recreate solar eruption in 3-D

Fri, 09 Mar 18 00:13:50 -0800

Scientists have developed a model that simulates how shocks following coronal mass ejections, or CMEs, propagate from the sun -- an effort made possible only by combining data from three different NASA satellites.

NASA's Webb Telescope to make a splash in search for interstellar water

Fri, 09 Mar 18 00:14:50 -0800

Water is crucial for life, but how do you make water? Cooking up some H2O takes more than mixing hydrogen and oxygen. It requires the special conditions found deep within frigid molecular clouds, where dust shields against destructive ultraviolet light and aids chemical reactions. NASA's James Webb Space Telescope will peer into these cosmic reservoirs to gain new insights into the origin and evolution of water and other key building blocks for habitable planets.

JHU performs first laboratory simulation of exoplanet atmospheric chemistry

Thu, 08 Mar 18 00:07:00 -0800

Scientists have conducted the first lab experiments on haze formation in simulated exoplanet atmospheres, an important step for understanding upcoming observations of planets outside the solar system with the James Webb Space Telescope.

New 3-D measurements improve understanding of geomagnetic storm hazards

Thu, 08 Mar 18 00:01:00 -0800

Measurements of the three-dimensional structure of the earth, as opposed to the one-dimensional models typically used, can help scientists more accurately determine which areas of the United States are most vulnerable to blackouts during hazardous geomagnetic storms.

Why people experience seasonal skin changes

Wed, 07 Mar 18 00:03:40 -0800

A new British Journal of Dermatology study provides information that may help explain why many people experience eczema and dry skin in the winter.

Wildfires set to increase: Could we be sitting on a tinderbox in Europe?

Wed, 07 Mar 18 00:08:30 -0800

Scientists at the Joint Research Centre, the European Commission's science and knowledge service, modelled fire danger for several weather and climate scenarios in Europe up to the year 2100.

Weather satellites aid search and rescue capabilities

Wed, 07 Mar 18 00:11:10 -0800

The same satellites that identify severe weather can help save you from it. NOAA's GOES series satellites carry a payload supported by NASA's Search and Rescue (SAR) office, which researches and develops technologies to help first responders locate people in distress worldwide, whether from a plane crash, a boating accident or other emergencies.

First look at Jupiter's poles show strange geometric arrays of storms

Wed, 07 Mar 18 00:03:40 -0800

With NASA's Juno spacecraft, scientists have gotten a good look at the top and bottom of the planet for the first time. What they found astounded them: bizarre geometric arrangements of storms, each arrayed around one cyclone over the north and south poles -- unlike any storm formation seen in the universe.

Hubble finds huge system of dusty material enveloping the young star HR 4796A

Tue, 06 Mar 18 00:14:30 -0800

Astronomers have used NASA's Hubble Space Telescope to uncover a vast, complex dust structure, about 150 billion miles across, enveloping the young star HR 4796A.

UMBC physicists show interactions between smoke and clouds have unexpected cooling effect

Mon, 05 Mar 18 00:11:50 -0800

Atomspheric physicists have found that the way wildfire smoke from Africa interacts with clouds over the Atlantic Ocean results in a net cooling effect, which is contrary to previous understanding and has implications for global climate models. The smoke particles serve as 'seeds' for the clouds, making them bigger and brighter and increasing their reflectivity, which more than compensates for the warming effect caused by the dark smoke blocking the clouds from reflecting sunlight.

Social sensing emerges as a tool for Army leaders

Mon, 05 Mar 18 00:12:40 -0800

Army and university scientists are turning to problems with social media to create social sensing as a scientific discipline. For the Army in particular, this emerging science space, they say, will better help commanders assess and comprehend the accuracy and true meaning of information on the battlefield.

New study: Snowpack levels show dramatic decline in western states

Fri, 02 Mar 18 00:09:50 -0800

A new study of long-term snow monitoring sites in the western United States found declines in snowpack at more than 90 percent of those sites -- and one-third of the declines were deemed significant.

Heart attacks often follow dramatic changes in outdoor temperature

Thu, 01 Mar 18 00:01:00 -0800

Large day-to-day swings in temperature were associated with significantly more heart attacks in a study being presented at the American College of Cardiology's 67th Annual Scientific Session. Given that some climate models link extreme weather events with global warming, the new findings suggest climate change could, in turn, lead to an uptick in the occurrence of heart attacks, researchers said.

Hubble observes exoplanet atmosphere in more detail than ever before

Thu, 01 Mar 18 00:01:30 -0800

An international team of scientists has used the NASA/ESA Hubble Space Telescope to study the atmosphere of the hot exoplanet WASP-39b. By combining this new data with older data they created the most complete study yet of an exoplanet atmosphere. The atmospheric composition of WASP-39b hints that the formation processes of exoplanets can be very different from those of our own Solar System giants.

NASA finds a large amount of water in an exoplanet's atmosphere

Thu, 01 Mar 18 00:01:00 -0800

Much like detectives study fingerprints to identify the culprit, scientists used NASA's Hubble and Spitzer space telescopes to find the 'fingerprints' of water in the atmosphere of a hot, bloated, Saturn-mass exoplanet some 700 light-years away.

No laughing matter, yet humor inspires climate change activism

Thu, 01 Mar 18 00:01:40 -0800

Melting icecaps, mass flooding, megadroughts and erratic weather are no laughing matter. However, a new study shows that humor can be an effective means to inspire young people to pursue climate change activism. At the same time, fear proves to be an equally effective motivator and has the added advantage of increasing people's awareness of climate change's risks.

NASA's GPM observes Arkansas and Tennessee flooding downpours

Thu, 01 Mar 18 00:02:00 -0800

The Global Precipitation Measurement mission or GPM core satellite provided forecasters with a look at the rainfall rates in storms drenching Arkansas and Tennessee.

KAIST finds the principle of electric wind in plasma

Thu, 01 Mar 18 00:06:20 -0800

A KAIST team identified the basic principle of electric wind in plasma. This finding will contribute to developing technology in various applications of plasma, including fluid control technology.

Explaining the increasing temperature of cooling granular gases

Wed, 28 Feb 18 00:02:00 -0800

Researchers shed light on scientific phenomenon which helps to understand better evolution of interstellar dust and planetary rings in space.

Black holes from small galaxies might emit gamma rays

Wed, 28 Feb 18 00:10:30 -0800

Researchers from Clemson University have discovered seven galaxies that could shake up what astrophysicists thought they knew about how the size of a galaxy -- and the black hole at its center -- can affect its behavior.

NASA space laser completes 2,000-mile road trip

Wed, 28 Feb 18 00:12:10 -0800

Once in orbit after it launches this fall, NASA's ICESat-2 satellite will travel at speeds faster than 15,000 miles per hour. Last week, the satellite's instrument began its journey toward space riding a truck from Maryland to Arizona, never exceeding 65 mph.

Massive data analysis shows what drives the spread of flu in the US

Tue, 27 Feb 18 00:13:40 -0800

Using several large datasets describing health care visits, geographic movements and demographics of more than 150 million people over nine years, researchers at the University of Chicago have created models that predict the spread of influenza throughout the United States each year.