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.

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 ...

Solar astronomers discover 'shooting stars' on the sun's corona

A team of astronomers from several European institutions led by Northumbria University in Newcastle has discovered "shooting stars" on the sun. Observations from the European Space Agency's Solar Orbiter (SolO) have revealed ...

Earlier geomagnetic storm prediction wins us time to prepare

Scientists at the Skolkovo Institute of Science and Technology (Russia), together with colleagues from the Leibniz Institute for Astrophysics (Germany), the University of Graz & the Kanzelhöhe Observatory (Austria), the ...

R Coronae Australis: A cosmic watercolor (w/ Video)

The star R Coronae Australis lies in one of the nearest and most spectacular star-forming regions. This portrait was taken by the Wide Field Imager (WFI) on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile. ...

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