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The anisotropy, or directional dependency, of the cosmic microwave background is divided into two types: primary anisotropy, due to effects that occur at the surface of last scattering and before; and secondary anisotropy, due to effects such as interactions of the background radiation with intervening hot gas or gravitational potentials, which ...
A 20–30 meter balloon telescope has been suggested. [39] The balloon would be transparent on one side, and have a circular reflecting mirror on the other side. [39] There are two main designs using this principle. [39] Large Balloon Reflector (LBR) (sub-orbital version) Space-based Large Balloon Reflector (LBR) TeraHertz Space Telescope (TST ...
Balloons are often deliberately released, creating a so-called balloon rocket. Balloon rockets work because the elastic balloons contract on the air within them, and so when the mouth of the balloon is opened, the gas within the balloon is expelled out, and due to Newton's third law of motion, the balloon is propelled forward. This is the same ...
Electronic anticoincidence is a method (and its associated hardware) widely used to suppress unwanted, "background" events in high energy physics, experimental particle physics, gamma-ray spectroscopy, gamma-ray astronomy, experimental nuclear physics, and related fields.
Transparent Balloons and Nude was Chung's first happening organized with artists Kang Kuk-jin and Jung Kang-ja (정강자, 1942–2017), which took place on May 30, 1968, in the famed C'est Si Bon Music Hall in Myeong-dong, Seoul. The work presented Jung Kang-ja on the stage in the nude for over one hour and a half, during which the audience ...
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The other color was orange, and we went with orange because green is a keyable color," Nash says, explaining that green-screens often used for backgrounds at that time were blue or, well, green ...
The microwave background is a blackbody spectrum representing the photons present at recombination, shifted in energy by the expansion of the universe. A blackbody is completely characterized by its temperature; the shift is called the redshift denoted by z : T CMB = 2.7 K × ( 1 + z ) {\displaystyle T_{\text{CMB}}=\mathrm {2.7~K} \times (1+z ...