Fourier Power Spectra Pass a Rigorous Test on the Sun’s Turbulent Surface
New controlled simulations and Monte Carlo experiments show that Fourier power spectra of the solar photospheric velocity field reliably reflect ...
Tag: solar physics
Sunspots Hum to a Hidden Rhythm, and a New Infrared Telescope Just Heard It
Using the AIMS telescope at Lenghu Observatory, a new Solar Physics study finds that sunspot umbrae, penumbrae and the quiet ...
Solar Radio Burst Reveals a Shock Racing Through the Sun’s Atmosphere in Multiple Lanes
An unusual multi-lane type II radio burst observed on May 29, 2024 shows that complex, inhomogeneous shock dynamics near the ...
Lost 18th-Century Sunspot Diaries Reveal the Sun’s Quiet Comeback
Researchers have re-analyzed Philippe de La Hire's 1703 to 1710 sunspot journals from the Paris Observatory, reconstructing daily positions, areas, ...
Slow-Rise Solar Storms Under the Microscope: Streamer Blowout Ejections Tracked in 3D
A multi-spacecraft study of three 2013 streamer blowout coronal mass ejections reveals distinctive slow-to-fast kinematic profiles with acceleration transitions at ...
Half a Century of X-Ray Solar Flares Reveals Unpredictable Cycle-to-Cycle Behavior
A half-century statistical analysis of GOES X-ray flare records shows that both flare intensity distributions and flare rates by sunspot ...
Multi-Spacecraft Fleet Tracks Solar Electron Blast from Corona to Earth
Using coordinated observations from multiple spacecraft, researchers traced solar energetic electrons from a 28 January 2025 coronal jet to detectors ...
New X-Ray Polarimeter Aims to Catch Solar Flares in the Act
Researchers at Guangxi University have designed the Solar X-ray Polarization Detector, a GMPD-based instrument capable of measuring the polarization and ...
AI Learns to Spot Solar Filaments That Could Trigger Dangerous Space Weather
Researchers have developed leakage-aware U-Net models that automatically segment solar filaments in ground-based hydrogen-alpha images, offering a scalable path toward ...
Solar Orbiter’s X-Ray Telescope Learns to Calibrate Itself Using the Sun’s Own Flares
Scientists have used solar flares themselves to recalibrate the tungsten grids of the STIX X-ray telescope aboard Solar Orbiter, revealing ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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