News tagged with collision

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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 ...

Oct 23, 2012
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Focus on space debris: Envisat

(Phys.org)—Space debris came into focus last week at the International Astronautical Congress in Naples, Italy. Envisat, ESA's largest Earth observation satellite, ended its mission last spring and was ...

Oct 11, 2012
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Twists and turns in interacting galaxies

(Phys.org)—Almost thirty years ago the Infrared Astronomy Satellite, IRAS, discovered that the universe contained many fabulously luminous galaxies, some of them more than a thousand times brighter than ...

Oct 08, 2012
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Total autopilot: A step closer

(Phys.org)—Will planes someday fly without pilots? Three EPFL laboratories, commissioned by Honeywell and operating under the auspices of EPFL's Transportation Center, are working on this possibility by ...

Sep 20, 2012
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