Related topics: sun

Hinode, IRIS, and ATERUI cooperate on 70 year old solar mystery

Solar physicists have captured the first direct observational signatures of resonant absorption, thought to play an important role in solving the "coronal heating problem" which has defied explanation for over 70 years.

Image: SOHO captures bright filament eruption

An elongated solar filament that extended almost half the sun's visible hemisphere erupted into space on April 28-29, 2015, in a large burst of bright plasma. Filaments are unstable strands of solar material suspended above ...

The mystery of nanoflares

When you attach the prefix "nano" to something, it usually means "very small." Solar flares appear to be the exception.

Image: Giant filament seen on the sun

A dark, snaking line across the lower half of the sun in this Feb. 10, 2015 image from NASA's Solar Dynamics Observatory (SDO) shows a filament of solar material hovering above the sun's surface. SDO shows colder material ...

Proba-3 double-satellite nearer to space

A pair of satellites flying in close formation to cast an artificial eclipse is now being turned into space-ready reality by ESA's industrial partners.

Hinode satellite captures X-ray footage of solar eclipse

The moon passed between the Earth and the sun on Thursday, Oct. 23. While avid stargazers in North America looked up to watch the spectacle, the best vantage point was several hundred miles above the North Pole.

STEREO maps much larger solar atmosphere than previously observed

Surrounding the sun is a vast atmosphere of solar particles, through which magnetic fields swarm, solar flares erupt, and gigantic columns of material rise, fall and jostle each other around. Now, using NASA's Solar Terrestrial ...

Research project maps record numbers of cosmic X-ray sources

Scientists led by the University of Leicester have set a new record for cosmic X-ray sources ever sighted – creating an unprecedented cosmic X-ray catalogue that will provide a valuable resource allowing astronomers to ...

Researchers explain magnetic field misbehavior in solar flares

When a solar flare filled with charged particles erupts from the sun, its magnetic fields sometime break a widely accepted rule of physics. The flux-freezing theorem dictates that the magnetic lines of force should flow away ...

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