News tagged with cosmic ray particles

Graphene mini-lab

A team of physicists from Europe and South Africa showed that electrons moving randomly in graphene can mimic the dynamics of particles such as cosmic rays, despite travelling at a fraction of their speed, in a paper about ...

dateOct 31, 2012 in Nanophysics
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PhD researcher seeks origin of cosmic rays

As cosmic ray particles penetrate our atmosphere, they collide with air molecules and produce new high-energy particles. These particles, in turn, are involved in further collisions. The whole process is known as an air shower. ...

dateOct 23, 2012 in Astronomy
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New type of cosmic ray discovered after 100 years

(Phys.org)—Using the European X-ray astronomy satellite XMM-Newton, researchers from CNRS and CEA have discovered a new source of cosmic rays. In the vicinity of the remarkable Arches cluster, near the center of the Milky ...

dateOct 16, 2012 in Astronomy
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Voyager 1 may have left the solar system

While there's no official word from NASA on this, the buzz around the blogosphere is that Voyager 1 has left the Solar System. The evidence comes from this graph, above, which shows the number of particles, mainly protons, ...

dateOct 09, 2012 in Space Exploration
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