News tagged with particle mass

Classifying solar eruptions

(PhysOrg.com) -- Solar flares are giant explosions on the sun that send energy, light and high speed particles into space. These flares are often associated with solar magnetic storms known as coronal mass ...

Jan 26, 2012
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Stellar winds

(PhysOrg.com) -- The Sun, glowing with a surface temperature of about 5500 degrees Celsius, warms the Earth with its salutary light. Meanwhile the Sun's hot outer layer (the corona), with its temperature of ...

Oct 10, 2011
5 / 5 (2) 7 | with audio podcast

Six coronal mass ejections in 24 hours

The sun let loose with at least six coronal mass ejections (CMEs) -- solar phenomena that can send solar particles into space and affect electronic systems in satellites -- from 7 PM ET on September 18, 2011 ...

Sep 22, 2011
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Moderate Labor Day solar flare eruption

At 9:35 PM ET on September 5, 2011, the sun emitted an Earth-directed M5.3 class flare as measured by the GOES satellite. The flare erupted from a region of the sun that appears close to dead center from Earth's ...

Sep 07, 2011
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Neutrinos: Ghostly particles with unstable egos

So far it is unknown which rules neutrinos follow when they alter their identity. A study in which scientists of the Excellence Cluster Universe at the Technische Universitaet Muenchen, Germany, participated has now revealed ...

Sep 06, 2011
5 / 5 (8) 9 | with audio podcast

Exoplanet aurora: An out-of-this-world sight

Earth's aurorae, or Northern and Southern Lights, provide a dazzling light show to people living in the polar regions. Shimmering curtains of green and red undulate across the sky like a living thing. New ...

Jul 21, 2011
4.4 / 5 (5) 3 | with audio podcast

Hunting the unseen

A better knowledge about the composition of sub-atomic particles such as protons and neutrons has sparked conjecture about, as yet, unseen particles. A tool based on theoretical calculations that could aid ...

Jul 15, 2011
5 / 5 (9) 4 | with audio podcast

The making of dust

(PhysOrg.com) -- On the Earth, dust particles are everywhere - under beds, on bookshelves, even floating in the air. We take dust for granted. Dust is also common in space, and it is found for example in the ...

Jul 06, 2011
4.6 / 5 (5) 5 | with audio podcast