Tag Archives: dark matter

Fermi Provides Insights?

 There’s more to the cosmos than meets the eye. About 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital speeds of stars around galaxies and in the motions … Continue reading

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Do Gamma rays hint at dark matter?

Using a new statistical technique to analyse publicly available data from NASA’s Fermi Space Telescope, an astrophysicist in Germany says he may have spotted a tell-tale sign of exotic particles annihilating within the Milky Way. If proved to be real, … Continue reading

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Gordon Kane Post on Reference Frame

Fig.3 Revisionist History and String Theory and the Real World See: “Learning from theory and data about our string vacuum” *** Also for viewing: NAS Produces Animations of Dark Matter for Planetarium Shows *** The newly-installed Alpha Magnetic Spectrometer-2 (AMS) … Continue reading

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Apex Experiment

APEX is one of several experiments hunting for the carrier of a new force, a hypothetical boson dubbed A’. This graph shows the range of the parameter space covered by these proposed experiments. The solid red is the slice of … Continue reading

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A Mysterious Dark Flow?

Dark flow is an astrophysical term describing a peculiar velocity of galaxy clusters. The actual measured velocity is the sum of the velocity predicted by Hubble’s Law plus a small and unexplained (or dark) velocity flowing in a common direction. … Continue reading

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The Chicagoland Observatory for Underground Particle Physics (COUPP)

The Chicagoland Observatory for Underground Particle Physics (COUPP) collaboration looks for bubbles in chambers filled with a compound containing carbon, fluorine and iodine. The fluid is superheated beyond the boiling point but has no rough surface to form bubbles. When … Continue reading

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Dark Matter

(Click on Image) Friedman Equation What is pdensity. What are the three models of geometry? k=-1, K=0, k+1 Negative curvature Omega=the actual density to the critical densityIf we triangulate Omega, the universe in which we are in, Omegam(mass)+ Omega(a vacuum), … Continue reading

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Lighting up the dark universe

The CHASE detector. The end of the magnet (orange) can be seen on the right. Exploring our dark universe is often the domain of extreme physics. Traces of dark matter particles are searched for by huge neutrino telescopes located underwater … Continue reading

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There Be Dragons on the Dark Matter Issue?

 I have been intrigued by the comparison of the latest reporting by Bee of Backreaction at a workshop at Perimeter Institute about the Laws of Nature: Their Nature and Knowability. Bee writes, “Yesterday, we had a talk by Marcelo Gleiser … Continue reading

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Sounding off on Economic Constraints in Experimentation

I mean most understand that the economic spending “is the choice” as to whether an area of research will be continued to be funded or not, according to the direction that research council choose. Limited resources according to the times? … Continue reading

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