BlogArena

General blog about anything and everything of everyday's life.

25. Jun 2019

November 18, 2014
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Jupiter’s Red Spot is Likely a Sunburn, Not a Blush

The ruddy color of Jupiter’s Great Red Spot is likely a product of simple chemicals being broken apart by sunlight in the planet’s upper atmosphere, according to a new analysis of data from NASA’s Cassini mission. The results contradict the … Continue reading

December 28, 2013
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Scientists solve a decades-old mystery in the Earth’s upper atmosphere

New research published in the journal Nature resolves decades of scientific controversy over the origin of the extremely energetic particles known as ultra-relativistic electrons in the Earth’s near-space environment and is likely to influence our understanding of planetary magnetospheres throughout … Continue reading

June 23, 2013
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How did a third radiation belt appear in the Earth’s upper atmosphere?

Since the discovery of the Van Allen radiation belts in in the Earth’s upper atmosphere in 1958, space scientists have believed that these belts consisted of two doughnut-shaped rings of highly charged particles — an inner ring of high-energy electrons … Continue reading

October 13, 2012
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Freezing Electrons in Flight

Using the world’s fastest laser pulses, which can freeze the ultrafast motion of electrons and atoms, UA physicists have caught the action of molecules breaking apart and electrons getting knocked out of atoms. Their research helps us better understand molecular … Continue reading

January 5, 2012
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Upper Atmosphere Facilitates Changes That Let Mercury Enter Food Chain

Humans pump thousands of tons of vapor from the metallic element mercury into the atmosphere each year, and it can remain suspended for long periods before being changed into a form that is easily removed from the atmosphere. New research … Continue reading

June 15, 2011
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GPS Stations Can Detect Clandestine Nuclear Tests

VIENNNA, Austria – At the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) meeting, American researchers are unveiling a new tool for detecting illegal nuclear explosions: the Earth’s global positioning system (GPS). Even underground nuclear tests leave their mark on the part of … Continue reading

April 14, 2011
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Climate Change From Black Carbon Depends on Altitude

Palo Alto, CA — Scientists have known for decades that black carbon aerosols add to global warming. These airborne particles made of sooty carbon are believed to be among the largest man-made contributors to global warming because they absorb solar … Continue reading

January 13, 2011
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Plasma Jets are Suspect in Solar Mystery

*Scientists take new look at solar corona*  One of the most enduring mysteries in solar physics is why the Sun’s outer atmosphere, or corona, is millions of degrees hotter than its surface. Now scientists believe they have discovered a major … Continue reading