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Category Archives: dark energy
The Geometrical State of the Universe
Supernova Cosmology Project Dialogos of Eide
Dark Energy Camera
Dark Energy Camera construction time lapse A longawaited device that will help unravel one of the universe’s most compelling mysteries gets ready to see first light.See:The Dark Energy Camera opens its eyes Unlike the human eye, photographic film and digital … Continue reading
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Thoughts On Dark Matter Search
A filament of dark matter has been directly detected between the galaxy clusters Abell 222 and Abell 223. The blue shading and yellow contour lines represent the density of matter. Image credit: Jörg Dietrich, UM Department of Physics In … Continue reading
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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
Posted in dark energy, dark matter, Xenon
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Brian Greene: Why is our universe finetuned for life?
At the heart of modern cosmology is a mystery: Why does our universe appear so exquisitely tuned to create the conditions necessary for life? In this tour de force tour of some of science’s biggest new discoveries, Brian Greene shows … Continue reading
Posted in dark energy, Lisa Randall, Multiverse, String Theory
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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 telltale sign of exotic particles annihilating within the Milky Way. If proved to be real, … 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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Scientists Have Found Unexplained Force?
Both radio observations with the VLBA and optical observations with the Hubble Space Telescope have measured the motions of concentrations of material in M87’s jets, and have shown the material to be moving at apparent speeds greater than that of … 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
Posted in Cdms, dark energy, dark matter, Maurits Cornelis Escher, Toposense
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