ScienceDaily: Dark Matter News |
| An anomaly in satellites' flybys confounds scientists Posted: 19 Sep 2014 08:05 AM PDT When space probes, such as Rosetta and Cassini, fly over certain planets and moons, in order to gain momentum and travel long distances, their speed changes slightly for an unknown reason. A researcher has now analyzed whether or not a hypothetical gravitomagnetic field could have an influence. However, other factors such as solar radiation, tides, or even relativistic effects or dark matter could be behind this mystery. |
| Latest measurements from the AMS experiment unveil new territories in the flux of cosmic rays Posted: 19 Sep 2014 05:38 AM PDT The Alpha Magnetic Spectrometer collaboration has just presented its latest results. These are based on the analysis of 41 billion particles detected with the space-based AMS detector aboard the International Space Station. The results provide new insights into the nature of the mysterious excess of positrons observed in the flux of cosmic rays. |
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