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  2. List of cosmic microwave background experiments - Wikipedia

    en.wikipedia.org/wiki/List_of_cosmic_microwave...

    Usually the experimental scan strategy is designed to minimize the effect of such noise. [7] To minimize side lobes, microwave optics usually utilize elaborate lenses and feed horns. Finally, in ground-based (and, to an extent, balloon-based) instruments, water and oxygen in the atmosphere emit and absorb microwave radiation.

  3. Microwave transmission - Wikipedia

    en.wikipedia.org/wiki/Microwave_transmission

    The effects of atmospheric stratification cause the radio path to bend downward in a typical situation so a major distance is possible as the earth equivalent curvature increases from 6,370 km (3,960 mi) to about 8,500 km (5,300 mi) (a 4/3 equivalent radius effect).

  4. Axis of evil (cosmology) - Wikipedia

    en.wikipedia.org/wiki/Axis_of_evil_(cosmology)

    The "axis of evil" is a name given to a purported correlation between the plane of the Solar System and aspects of the cosmic microwave background (CMB).Such a correlation would give the plane of the Solar System and hence the location of Earth a greater significance than might be expected by chance – a result which has been claimed to be evidence of a departure from the Copernican principle ...

  5. Solar radio emission - Wikipedia

    en.wikipedia.org/wiki/Solar_radio_emission

    A propagation effect is anything that impacts the path or state of an electromagnetic wave after it is produced. These effects therefore depend on whatever mediums the wave passed through before being observed. The most dramatic impacts to solar radio emission occur in the corona and in Earth's ionosphere. There are three primary effects ...

  6. Microwave Ionosphere Nonlinear Interaction Experiment

    en.wikipedia.org/wiki/Microwave_Ionosphere...

    The Microwave Ionosphere Nonlinear Interaction Experiment (MINIX) is a sounding rocket experiment launched by Japan on 29 August 1983. [1] Its purpose was to study the effects of Microwave energy in the Ionosphere , and to study high-power microwave technology for use in a Space-based solar power satellite.

  7. Michelson–Gale–Pearson experiment - Wikipedia

    en.wikipedia.org/wiki/Michelson–Gale–Pearson...

    The aim, as it was first proposed by Albert A. Michelson in 1904 and then executed in 1925 by Michelson and Henry G. Gale, was to find out whether the rotation of the Earth has an effect on the propagation of light in the vicinity of the Earth. [1] [2] [3] The Michelson-Gale experiment was a very large ring interferometer, (a perimeter of 1.9 ...