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Hace 1 día · The cosmic microwave background ( CMB or CMBR) is microwave radiation that fills all space in the observable universe. It is a remnant that provides an important source of data on the primordial universe. [1] With a standard optical telescope, the background space between stars and galaxies is almost completely dark.
Hace 1 día · Hubble's law, also known as the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance. In other words, the farther they are, the faster they are moving away from Earth. The velocity of the galaxies has been determined by their redshift, a shift of the light they emit toward the red end of the visible ...
Hace 2 días · Introduction. Maxwell’s equations characterize macroscopic matter by means of its permittivity ε, permeability μ, and conductivity σ, where these properties are usually represented by scalars and can vary among media. Section 2.5 discussed media for which ε, μ, and σ are represented by matrices, complex quantities, or other means.
Hace 5 días · The flux density and position of the source were measured in each image by fitting an elliptical Gaussian to the source. Figure 15 shows fits of the attenuation pattern of cosine illumination taper to the flux densities measured from our J1939-6342 observations.
Hace 5 días · Based on experimental studies, the recovery heat fluxes at boiling of superfluid helium on a flat heater located inside a U-shaped channel, whose lower part was filled with monodisperse porous backfill, have been obtained at different immersion depths and liquid temperatures.
Hace 3 días · Fluxes are provided for clear-sky and all-sky conditions in the longwave (LW), shortwave (SW), and window (WN) regions. CERES SYN1deg products use 1-hourly radiances and cloud property data from geostationary (GEO) imagers to accurately model variability between CERES observations.
Hace 2 días · Description. CERES_EBAF-TOA_Edition4.2 is the Clouds and the Earth's Radiant Energy System (CERES) Energy Balanced and Filled (EBAF) Top-of-Atmosphere (TOA) Monthly means data in netCDF format Edition 4.2 data product. Data was collected using the CERES Scanner instruments on the Terra, Aqua, and NOAA-20 platforms.
