Scientists Say Solar Flares Are Hotter Than Expected, Could Reach 108 Million Degrees

Published

3 months ago

September 12, 2025

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A groundbreaking study shows ions in solar flares can reach 108 million°F, about six times hotter than earlier estimates. The research explains decades-old mysteries in flare spectra and urges new “multi-temperature” models to better forecast space weather, protecting satellites, astronauts, and communications from hazardous solar storms.

Science

Astronomers Spot Galaxies Moving in Sync Across a 50-Million-Light-Year Stretch

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4 hours ago

December 5, 2025

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Astronomers have identified a 50-million-light-year-long cosmic filament in which 14 gas-rich galaxies all rotate in sync with the structure itself. The filament, mapped about 140 million light-years away, appears young, cold and shaped by slow cosmic flows. Galaxies on opposite ends move in opposite directions, suggesting the entire filament is spinning.

Science

SpaceX Launches 28 New Starlink Satellites as Falcon 9 Hits Another Milestone

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5 hours ago

December 5, 2025

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SpaceX successfully launched 28 Starlink satellites on December 4, 2025, from Vandenberg Space Force Base in California. The Falcon 9 lifted off at 12:42 pm PST and completed a smooth drone-ship landing just 8.5 minutes later, marking the booster’s fourth flight. This mission represents SpaceX’s 156th Falcon 9 launch of the year, continuing the rapid expansion of …

Science

Misaligned Exoplanet Is Challenging How We Think Solar Systems Form

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5 hours ago

December 5, 2025

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Astronomers studying the dwarf-star system TOI-3884b have uncovered a striking anomaly: the planet’s orbit is sharply misaligned with its star’s rotation. Using multicolour transit observations, researchers detected repeated starspot-crossing events that revealed the planet passes over cooler regions on the stellar surface. Follow-up monitoring showed the star rot…