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CMB cold spot
Videos
The CMB Cold Spot or WMAP Cold Spot is a region of the sky seen in microwaves that has been found to be unusually large and cold relative to the expected properties of the cosmic microwave background
The circled area is the cold spot in the WMAP.
The circled area is the cold spot in the WMAP.
CMB Cold Spot was also observed by the Planck satellite at similar significance. Image generated with Celestia Program.
CMB Cold Spot was also observed by the Planck satellite at similar significance. Image generated with Celestia Program.
Void (astronomy)
Videos
Cosmic voids are vast spaces between filaments, which contain very few or no galaxies. In spite of their size, most galaxies are not located in voids but are gravitationally bound together, creating h
CMB cold spot
…Eridanus Supervoid or Great Void that may exist between us and the primordial CMB (foreground voids can cause cold spots against the CMB). Such a void would affect the observed CMB via the integrated Sachs–Wolfe effect, and would be one of the largest structures in the observable universe. This would…
Simulation of the matter distribution in a cubic section of the universe. The blue fiber structures represent the matter (primarily dark matter) and t
Simulation of the matter distribution in a cubic section of the universe. The blue fiber structures represent the matter (primarily dark matter) and the empty regions in between represent the cosmic voids.