News tagged with cosmic rays

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
shares0 comments 0

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 ...

dateOct 23, 2012 in Astronomy
shares0 comments 0

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, ...

dateOct 09, 2012 in Space Exploration
shares0 comments 19

Regolith: Protection for humans on Mars

For six weeks the rover "Curiosity" is now working on Mars. NASA also plans to send humans to Mars within the next 20 years. On the flight and during the stay on Moon or Mars the astronauts have to be protected ...

dateSep 18, 2012 in Space Exploration
shares0 comments 0

Curiosity's first daredevil stunt

(Phys.org) -- When Curiosity enters the Martian atmosphere on August 6th, setting in motion "the seven minutes of terror" that people around the world have anticipated since launch a year ago, the intrepid ...

dateAug 03, 2012 in Space Exploration
shares0 comments 0

100 years of cosmic rays mystery

As physicists gather in early August to celebrate a century since the initial discovery of cosmic rays, Alan Watson, emeritus professor of physics at the University of Leeds, explains how physicists have gradually revealed ...

dateAug 01, 2012 in General Physics
shares0 comments 0