Related topics: sun

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 ...

Spacecraft measurements reveal mechanism of solar wind heating

Queen Mary University of London has led a study which describes the first direct measurement of how energy is transferred from the chaotic electromagnetic fields in space to the particles that make up the solar wind, leading ...

'Campfires' offer clue to solar heating mystery

Computer simulations show that the miniature solar flares nicknamed 'campfires," discovered last year by ESA's Solar Orbiter, are likely driven by a process that may contribute significantly to the heating of the sun's outer ...

The Sun spits out a coronal mass ejection

Ever squirted water out of your mouth when playing in a swimming pool or lake? This Coronal Mass Ejection (CME) release by the Sun on April 15, 2012 looks reminiscent of such water spouting.

A new method for predicting the 11-year solar cycle strength

Scientists from Skoltech and their colleagues from the University of Graz & the Kanzelhöhe Observatory (Austria), Hvar Observatory (Croatia), and the Belgian Solar-Terrestrial Center of Excellence—SILSO, Royal Observatory ...

Proba-3: Seeing through shadow to view Sun's corona

Every 18 months or so, scientists and sensation-seekers gather at set points on Earth's surface, to await awe-inspiring solar eclipses. The Moon briefly blocks the Sun, revealing its mysterious outer atmosphere, the corona. ...

Tiny Flares Responsible for Outsized Heat of Sun's Atmosphere

(PhysOrg.com) -- Solar physicists at NASA have confirmed that small, sudden bursts of heat and energy, called nanoflares, cause temperatures in the thin, translucent gas of the sun's atmosphere to reach millions of degrees.

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