Related topics: sun · solar flares

Fast reconnection in turbulent media

Solar flares, similar to many other astrophysical energetic processes, are related to magnetic reconnection. During these events magnetic energy is transferred from other forms of energy, mostly heat and energetic particles. ...

XMM-Newton reveals giant flare from a tiny star

A star of about eight percent the Sun's mass has been caught emitting an enormous 'super flare' of X-rays—a dramatic high-energy eruption that poses a fundamental problem for astronomers, who did not think it possible on ...

Using big data to combat catastrophes

In March 1989, a tripped circuit in the Hydro-Québec power grid left 6 million people without electricity. A week earlier, an unusually harsh snowstorm had strained the region; the day before, a solar flare and accompanying ...

Researchers find clues to how hazardous space radiation begins

Scientists at the University of New Hampshire have unlocked one of the mysteries of how particles from flares on the sun accumulate at early stages in the energization of hazardous radiation that is harmful to astronauts, ...

Image: The sun in 2019

The changing activity of our sun as seen by ESA's Proba-2 satellite in 2019.

Video: ESA's short film, 'The Burn'

ESA's short film, The Burn, takes us into the heart of Europe's mission control during a critical moment in the life of a future mission.

Detecting solar flares, more in real time

Computers can learn to find solar flares and other events in vast streams of solar images and help NOAA forecasters issue timely alerts, according to a new study. The machine-learning technique, developed by scientists at ...

A decade probing the sun

Ten years ago, a small satellite carrying 17 new devices, science instruments and technology experiments was launched into orbit, on a mission to investigate our star and the environment that it rules in space.

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Flare

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