Articles tagged with Solar Wind
High-energy electrons from Earth's plasma sheet contribute to weathering processes on the Moon's surface, aiding in the formation of water. The discovery may help explain the origin of lunar water ice and provide insights into the Moon's evolution.
The BepiColombo mission has successfully observed how electrons raining down on Mercury's surface can trigger high-energy auroras. The observations confirm that the mechanism generating aurorae is the same throughout the Solar System.
Researchers found a major shift in Martian climate about 400,000 years ago, coinciding with the end of the last glacial period. The prevailing wind direction changed from northeast to northwest, eroding crescent-shaped dunes into longitudinal ridges.
A Portland State professor is studying the environmental consequences of the renewable energy transition, including lithium mining and battery manufacturing. The research aims to balance benefits with burdens on underserved communities, through interviews, focus groups, and workshops.
Researchers used data from NASA's Parker Solar Probe to explain how the solar wind surpasses speeds of 1 million miles per hour. The energy released from the magnetic field near the sun's surface drives the fast solar wind, comprising ionized particles flowing outward from the sun.
The Parker Solar Probe has detected streams of high-energy particles that match supergranulation flows within coronal holes, suggesting these are the origins of the fast solar wind. The solar wind's charged particles were accelerated by magnetic reconnection within funnel structures on the sun's surface.
A study by Carnegie Mellon University researcher Edson Severnini found that large-scale hydroelectric dams constructed in the US before 1950 spurred short- and long-term growth, while those built after 1950 had modest effects on local economies. The decline is attributed to advancements in high-tension transmission lines.
Researchers discovered the most efficient way to produce ammonia through electrochemical synthesis, increasing its sustainability. The D5 step site on ruthenium nanoparticles was found to be the most active site for the nitrogen reduction reaction.
A team of researchers has successfully modeled the complex fluctuations in soft X-ray signals detected by satellites using numerical methods. They were able to capture how the signal varied with the orbital motion of the satellite and reproduce it up to a factor of two, an impressive feat in the field.
The BepiColombo and Solar Orbiter missions provided a unique insight into Venus' atmosphere retention through their gravity-assist flyby. The study revealed that the induced magnetosphere protects the atmosphere from solar wind erosion, extending to an unexpected distance of 1,900 km above the planet's surface.
New research highlights the need for a re-imagined regulatory framework to balance competing interests and promote sustainable growth. The study shows that hydrogen can enhance profitability for wind farm owners, but disparate rules and regulations hinder its potential.
A joint research team from China has discovered high concentrations of hydrogen and low deuterium/hydrogen ratios in lunar soil grain rims consistent with solar wind origin. This finding suggests that the bulk water content in Chang'e-5 lunar soils is around 46 ppm, which could be higher in polar regions.
A team of scientists has successfully modeled the transmission of electromagnetic waves in near-Earth space using a cutting-edge computer model. The results reveal that these waves can survive passing through the shock and travel to the other side, with properties almost identical to those in the foreshock region.
A new research project led by Associate Professor Marta Victoria aims to describe periods of extreme weather and design strategies for reliable renewable energy systems. The project, funded with DKK 6.2 million, will run for four years and focus on predicting and adapting to multiple adverse events.
Researchers have observed long, web-like plasma structures in the Sun's middle corona, which discharge particles into space through interactions within the structures. This innovative observation method could lead to a better understanding of the solar wind's origins and its interactions with the rest of the solar system.
A study published in the Astrophysical Journal reveals a strong correlation between cosmic ray counts and the solar cycle at Mars and Venus. The research found that cosmic rays are suppressed during peak solar activity, highlighting the importance of understanding these interactions for future robotic missions and human exploration.
Direct observation of magnetic reconnection in the solar wind reveals a common bursty state, leading to plasma acceleration and heating. Turbulent reconnection increases with solar wind speed, highlighting its role in energizing plasmas.
The article discusses the selection of propulsion systems for deep-space exploration, focusing on micropropulsion technology. Key findings include the analysis of various micropropulsion modules, including cold gas and chemical propulsion systems, as well as their applications in different missions such as lunar exploration and Tianqin...
A KAUST-led team creates selective anode catalysts for stable and efficient hydrogen evolution in seawater splitting. The nanoreactors exhibited high electrocatalytic activity and stability due to their unique structure, isolating the electrolysis from side reactions.
A new multimodality prediction method jointly learned vision and sequence information for accurate solar wind speed prediction. The model achieved best performance in many metrics, including RMSE, MAE, and CORR, and demonstrated the effectiveness of each module in improving prediction accuracy.
Scientists have discovered a massive heat wave in Jupiter's atmosphere, extending over 10 Earth diameters and reaching temperatures of 700 degrees Celsius. The heat wave was triggered by solar wind plasma impacting the planet's magnetic field, distributing energy globally around Jupiter.
Scientists create zinc battery with chitosan-based biodegradable electrolyte, reducing environmental burden. The new battery stores power from large-scale wind and solar sources, uses abundant zinc, and can be broken down by microbes, making it a viable option for sustainable energy storage.
Researchers reveal the likely composition of Charon's dynamic methane atmosphere and propose a possible source for its red polar zone. The team's novel experiments and atmospheric modeling suggest that ultraviolet light breaking down methane molecules is key to understanding the moon's unique albedo.
A new study provides a roadmap for the US to reach its 50% greenhouse gas emissions reduction target by 2030, with rapid decarbonization in power and transportation sectors crucial. The study, based on six leading energy models, suggests that tripling historic carbon reductions is achievable through collaboration across all sectors.
A new study suggests achieving a 50% reduction in US greenhouse gas emissions by 2030 is possible through increasing renewable capacity and transitioning to electric vehicles. This would limit global warming to 1.5 degrees Celsius, aligning with the UN's climate target.
To achieve the EU's climate neutrality goal by 2050 with a maximum temperature increase of 1.5 degrees Celsius, a massive rollout of solar and wind power is required, along with investments in Power-to-X technologies and carbon capture. The model suggests installing 400 GW of new solar and wind energy capacity every year from 2025-2035.
A Boston University–led team has won a major new grant from NASA to continue advancing its breakthrough work in heliophysics. The funding will also support the team’s efforts to diversify the field of space physics, with a focus on outreach and mentorship for underrepresented groups.
Researchers at Argonne National Laboratory have discovered a key reason for the performance decline of sodium-ion batteries, which are promising candidates for replacing lithium-ion materials. By adjusting synthesis conditions, they can fabricate far superior cathodes that will maintain performance with long-term cycling.
A new study by Rice University engineers suggests that wind and solar projects could eliminate the need for coal in Texas, drastically reducing pollution. The research uses optimization modeling to identify the least-cost combinations of proposed wind and solar projects that can replace coal-fired power generation.
Researchers from HSE University have developed a mathematical model that explains the levitation of charged dust particles over the sunlit lunar surface for almost any latitude. The study takes into account the Earth's magnetotail and its impact on particle movement, leading to vertical oscillation and eventual levitation.
A team from UNIGE and Empa recommends a domestic generation mix of wind and photovoltaic energy to reduce Switzerland's contribution to global greenhouse gas emissions. The scenario would enable the country to reduce its footprint by an estimated 45%.
Researchers from West Virginia University are developing a new composite transition joint using 3D printing to reduce stress on power plant systems. The goal is to increase the flexibility and reliability of thermal power plants.
Researchers at KTH Royal Institute of Technology discovered a new way Earth's magnetic field produces plasma jets, which can weaken the planet's first line of defense. The study used NASA's Magnetospheric Multiscale Mission satellites to track the formation and origin of these downstream jets.
Scientists have discovered a new type of wave that replaces electromagnetic waves called whistler waves in the solar wind, allowing for better understanding of energy flow near the sun. This discovery can help predict 'space weather' events that affect satellites and astronauts in space.
The Parker Solar Probe has entered the solar corona and spent five hours in direct contact with the sun's plasma, measuring phenomena previously estimated. The probe discovered that the Alfvén critical surface is wrinkled, suggesting a potential new era for understanding coronal heating.
The Parker Solar Probe successfully entered the corona of the Sun, a region approximately 2 million degrees Fahrenheit, and collected data using the Solar Probe Cup instrument. The probe's historic achievement sheds light on phenomena such as solar flares, high-speed solar winds, and the Sun's atmosphere's heat and magnetic fields.
A team of researchers found evidence that solar wind altered the chemical composition of ancient asteroid grains, producing water molecules and providing a possible source for Earth's oceans. The discovery could help future space missions find sources of water on airless worlds.
Researchers use NASA's MMS data to study micro-scale physics in the Earth's magnetotail, revealing a key component missing from existing models: an ambipolar electric field. This discovery challenges existing understanding of thin current sheets and provides new insights into space weather
Dr. Mohammad Al Hashmi's research focuses on reducing energy consumption in residential buildings in hot and arid climates using renewable energy systems such as solar and wind power. His framework combines building interventions and clean energy approaches to minimize environmental impact.
A WVU-led research team will test the potential of geothermal energy by drilling three miles into the ground. The project aims to reduce carbon footprint and decrease energy costs for the university, with potential implications for industries across West Virginia.
A recent award will aid a project that aims to produce more hydrogen gas while reducing electric power consumption. The goal is to increase clean hydrogen production, which can benefit various sectors such as household power, electric vehicles, and industrial applications.
A recent study found that meeting the Paris Agreement's 2°C target will increase net energy sector jobs globally by about 8 million by 2050. The majority of these new jobs will be in the solar and wind industries, while fossil fuel extraction jobs are expected to decline rapidly.
Researchers reconstructed the encounter with ATLAS's tail using combined measurements from Solar Orbiter's instruments. The model indicates that the ambient interplanetary magnetic field 'drapes' around the comet, forming a central tail region with a weaker magnetic field.
For the first time, scientists have created a 3D map of the heliosphere boundary using data from NASA's Interstellar Boundary Explorer (IBEX) satellite. The boundary marks the edge of the solar system and protects Earth from interstellar radiation.
Researchers developed new software for improved space weather prediction, leveraging supercomputers and advanced computing techniques to analyze magnetized solar wind plasma. This effort aims to enhance the accuracy of predictions for coronal mass ejections and their impact on Earth's magnetosphere.
Scientists launched a sounding rocket to investigate how the solar wind interacts with Earth's magnetosphere, producing the aurora. The experiment deployed barium thermite canisters that generated plasma clouds, which interacted with ionospheric plasma, creating electromagnetic fields and waves.
A new study suggests that expanding solar and wind power across the region could alleviate disagreements between Ethiopia, Sudan, and Egypt over Africa's largest hydropower plant. Integrating GERD operation with solar and wind power would provide regional win-win situations, benefiting all countries involved.
Texas A&M researchers have developed a reliability framework to improve the distribution system, reducing interruptions by 50% and customer average interruption duration by 45%. The framework can also test the impact of installing rooftop solar and energy storage on the system.
USC experts project significant reductions in greenhouse gas emissions and improvements in air quality, with the city potentially reaching 100% renewable energy by 2045. The study also highlights potential job impacts and challenges to ensuring a reliable water supply.
Researchers from UC Santa Barbara recommend India increase its target to 600 GW of renewable capacity by 2030. Meeting high renewable targets would not avert the need to build fossil fuel power plants due to specific weather patterns and peak electricity demand requirements.
A recent study reveals a 97% decline in lithium-ion battery costs over the last three decades, driven by rapid growth of electric vehicles and renewable energy. This rate of improvement is comparable to that of solar photovoltaic panels.
A Stanford University study found that wind turbines produce more electricity during extreme cold weather, which is often accompanied by increased demand for heating. This suggests that wind energy can provide critical power to meet growing seasonal heat demands, even in the coldest of times.
Scientists have gained new insight into the solar structures that create the Sun's flow of high-speed solar wind. Using NASA data and cutting-edge image processing, researchers discovered plumelets, smaller strands of material within solar plumes, which shape the solar wind's characteristics.
Researchers at KAUST developed a high-frequency rainfall model using new rain gauges that measure rainfall drop by drop, providing unprecedented insight into minute-to-minute rainfall dynamics. The model captures the 'skewness' of high-frequency precipitation data and generates synthetic precipitation data for water management.
A new study from University of California, Davis and John Hopkins University aims to help decision-makers avoid unintended environmental consequences of renewable energy development. The study identifies key research priorities, including site selection and wildlife interactions, to promote sustainable solar and wind developments.
Researchers from Aarhus University modelled decarbonisation of the European energy system using high-resolution data. Solar energy emerges as a cost-optimised cornerstone for a fully decarbonised energy system by 2050.
A team of researchers, led by Jingtong Hu from the University of Pittsburgh, aims to apply artificial intelligence to remote sensors deployed in hard-to-reach areas. By leveraging energy-harvesting technology, they plan to save power on sensor devices and increase their lifespan.
KAUST researchers developed a statistical model providing the best wind forecast yet for Saudi Arabia, aiming to increase renewable energy in the grid and reach 9 gigawatts of installed wind energy by 2030. The model uses advanced statistical approaches to jointly model wind speed and direction, showing improved prediction performance.
Researchers discovered ultraviolet emissions on Comet Chury due to solar wind electrons striking its coma. The phenomenon, similar to Earth's aurora borealis, provides new insights into comet environments.
Scientists have discovered helium structures in the Sun's atmosphere using a NASA sounding rocket, revealing new insights into the origin and acceleration of the solar wind. The findings suggest that the abundance of helium is strongly connected to the magnetic field and speed of the solar wind in the corona.