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Lightning strikes link weather on Earth and weather in space
Boulder CO (SPX) Feb 06, 2025 There are trillions of charged particles - protons and electrons, the basic building blocks of matter - whizzing around above your head at any given time. These high-energy particles, which can travel at close to the speed of light, typically remain thousands of kilometers away from Earth, trapped there by the shape of Earth's magnetic field. Occasionally, though, an event happens that can jostle them out of place, sending electrons raining down into Earth's atmosphere. These high-energy particles ... read more |
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Interaction of kinetic waves and suprathermal particles could be key to unlocking heliophysics mysteryHuntsville AL (SPX) Feb 05, 2025 A graduate research assistant at The University of Alabama in Huntsville (UAH), a part of The University of Alabama system, has published a paper in the journal Astronomy and Physics that builds on ... more 
PUNCH solar arrays pass critical pre-launch testsLos Angeles CA (SPX) Jan 29, 2025 Technicians supporting NASA's PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission have successfully deployed and tested the spacecraft's solar arrays at the Astrotech Space Operations pr ... more 
New insights into solar opacity through helioseismologyParis, France (SPX) Jan 29, 2025 Helioseismology, the study of the Sun's acoustic oscillations, provides a powerful tool for probing the internal properties of our star with remarkable precision. By analyzing these sound waves, sci ... more
SwRI-led PUNCH spacecraft reach final milestone before launchLos Angeles CA (SPX) Jan 23, 2025 Four compact spacecraft, designed and constructed by Southwest Research Institute (SwRI), have arrived at Vandenberg Space Force Base in California for final preparations ahead of their upcoming lau ... more |
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Proba-3 satellites separate for precision space missionParis, France (SPX) Jan 15, 2025 A major milestone in the European Space Agency's Proba-3 mission occurred last night as the twin spacecraft, launched together in December 2024, successfully separated. This marks the start of their ... more 
What causes the white patch near northern lightsLos Angeles CA (SPX) Jan 13, 2025 A whitish-grey patch that occasionally appears in the night sky alongside the aurora borealis has been explained for the first time, thanks to researchers at the University of Calgary. The phenomeno ... more
UNH researchers categorize aurora image database using artificial intelligenceLos Angeles CA (SPX) Jan 10, 2025 The aurora borealis, or northern lights, is renowned for its mesmerizing display of light in the night sky. However, this natural phenomenon-driven by solar activity and carried by solar winds-can d ... more 
NASA's LEXI Will Provide X-Ray Vision of Earth's MagnetosphereGreenbelt MD (SPX) Jan 06, 2025 A NASA X-ray imager is heading to the Moon as part of NASA's Artemis campaign, where it will capture the first global images of the magnetic field that shields Earth from solar radiation. The ... more 
Parker Solar Probe reports healthy status after solar encounterLaurel MD (SPX) Jan 06, 2025 Eight days after its record-breaking closest approach to the Sun's surface Dec. 24, 2024, NASA's Parker Solar Probe has confirmed the spacecraft's systems and science instruments are healthy and ope ... more |
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Sun emits three powerful solar flares
Los Angeles CA (SPX) Dec 31, 2024 The Sun unleashed three significant solar flares on December 29, 2024, recorded at peak times of 2:18 a.m. ET, 11:14 p.m. ET, and 11:31 p.m. ET. These events were documented by the Solar Ultraviolet Imager operated by the National Oceanic and Atmospheric Administration (NOAA), a continuous observer of solar activity. Solar flares, potent bursts of energy from the Sun, have the potential to disrupt radio communications, impact power grids, affect navigation systems, and pose hazards to both spacecr ... read more
Northern lights to ring in New Year's Eve in parts of United StatesWashington DC (UPI) Dec 30, 2024 The northern lights are forecast to put on a New Year's show as far south as Illinois, New York and Oregon starting Monday night, according to the National Oceanic and Atmospheric Administration. ... more |
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Parker Solar Probe makes history with closest pass to Sun Greenbelt MD (SPX) Dec 28, 2024 Operations teams have confirmed NASA's mission to "touch" the Sun survived its record-breaking closest approach to the solar surface on Dec. 24, 2024. Breaking its previous record by flying ju ... more 
Data confirms the Sun's magnetic field accelerates solar windDetroit MI (SPX) Dec 26, 2024 When two probes orbiting the Sun aligned with one another, researchers harnessed the opportunity to track the Sun's magnetic field as it traveled into the solar system. They found that the sharply o ... more
First results from 2021 rocket launch shed light on aurora's birthFairbanks AK (SPX) Dec 26, 2024 Newly published results from a 2021 experiment led by a University of Alaska Fairbanks scientist have begun to reveal the particle-level processes that create the type of auroras that dance rapidly ... more 
Parker Solar Probe begins record-setting closest approach to the SunBaltimore MD (SPX) Dec 23, 2024 NASA's Parker Solar Probe is in good health and operating normally as it speeds toward its closest-ever flight around the Sun on Christmas Eve. Mission operators at the Johns Hopkins Applied P ... more 
NASA schedules heliophysics missions for September 2025 launchLos Angeles CA (SPX) Dec 23, 2024 NASA and SpaceX have announced a revised target of September 2025 for the launch of the Interstellar Mapping and Acceleration Probe (IMAP) spacecraft. The updated schedule allows for additional time ... more |
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