ScienceDaily: Cosmic Rays News |
- Sun sends more 'tsunami waves' to Voyager 1
- Something is amiss in the Universe: Cosmic accounting reveals missing light crisis
- A hotspot for powerful cosmic rays, most energetic particles in the universe
| Sun sends more 'tsunami waves' to Voyager 1 Posted: 08 Jul 2014 09:55 AM PDT NASA's Voyager 1 spacecraft has experienced a new "tsunami wave" from the sun as it sails through interstellar space. Such waves are what led scientists to the conclusion, in the fall of 2013, that Voyager had indeed left our sun's bubble, entering a new frontier. |
| Something is amiss in the Universe: Cosmic accounting reveals missing light crisis Posted: 08 Jul 2014 09:17 AM PDT Something is amiss in the Universe. There appears to be an enormous deficit of ultraviolet light in the cosmic budget. The vast reaches of empty space between galaxies are bridged by tendrils of hydrogen and helium, which can be used as a precise 'light meter.' In a recent study a team of scientists finds that the light from known populations of galaxies and quasars is not nearly enough to explain observations of intergalactic hydrogen. The difference is a stunning 400 percent. |
| A hotspot for powerful cosmic rays, most energetic particles in the universe Posted: 08 Jul 2014 06:29 AM PDT An observatory found a 'hotspot' beneath the Big Dipper emitting a disproportionate number of the highest-energy cosmic rays. The discovery moves physics another step toward identifying the mysterious sources of the most energetic particles in the universe. |
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