The Sky Tonight

April 25, 2016

Dark matter does not contain certain axion-like particles
Stockholm, Sweden (SPX) Apr 25, 2016
Researchers at Stockholm University are getting closer to corner light dark-matter particle models. Observations can rule out some axion-like particles in the quest for the content of dark matter. The article is now published in the Physical Review Letters. Physicists are still struggling with the conundrum of identifying more than 80 percent of the matter in the Universe. One possibility is that it is made up by extremely light particles which weigh less than a billionth of the mass of the electr ... read more

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Cosmic beacons reveal the Milky Way's ancient core An international team of astronomers led by Dr. Andrea Kunder of the Leibniz Institute for Astrophysics Potsdam (AIP) in Germany has discovered that the central 2,000 light-years within the Milky Wa ... more		Kepler spacecraft recovered and returned to the K2 Mission The Kepler spacecraft has been recovered and, as of 8:30 a.m. PDT today, it is back on the job as the K2 mission searching for exoplanets - planets beyond our solar system. The team began the ... more		Herschel captures galactic panorama of the Milky Way This new video from ESA's Herschel space observatory reveals in stunning detail the intricate pattern of gas, dust and star-forming hubs along the plane of our Galaxy, the Milky Way. Against t ... more
				Nearby supernova ashes continue to rain on Earth Traces of 60Fe detected in space indicate that a nearby supernova occurred within the last few million years. The iron isotope 60Fe, which is very rare, is created when a massive star collapses in t ... more		Microscopic 'clocks' time distance to source of galactic cosmic rays Most of the cosmic rays arriving at Earth from our galaxy come from nearby clusters of massive stars, according to new observations from the Cosmic Ray Isotope Spectrometer (CRIS), an instrument abo ... more

Human 2 Mars Conference May 17-19 2016 - Washington DC

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