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[9] [70] [71] The precise thicknesses of the different layers in the interior of Ganymede depend on the assumed composition of silicates (fraction of olivine and pyroxene) and amount of sulfur in the core. [47] [70] [72] [73] Ganymede has the lowest moment of inertia factor, 0.31, [9] among the solid Solar System bodies. This is a consequence ...
The actionable concentration of radon in a home varies depending on the organization doing the recommendation, for example, the EPA encourages that action be taken at concentrations as low as 74 Bq/m 3 (2 pCi/L), [73] and the European Union recommends action be taken when concentrations reach 400 Bq/m 3 (11 pCi/L) for old houses and 200 Bq/m 3 ...
The Sun is the star at the center of the Solar System.It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
The geologic time scale is a way of representing deep time based on events that have occurred throughout Earth's history, a time span of about 4.54 ± 0.05 Ga (4.54 billion years). [3]
The symmetry of a carbon dioxide molecule is linear and centrosymmetric at its equilibrium geometry. The length of the carbon–oxygen bond in carbon dioxide is 116.3 pm, noticeably shorter than the roughly 140 pm length of a typical single C–O bond, and shorter than most other C–O multiply bonded functional groups such as carbonyls. [19]
These show distinct densities, with hummocky particles having the lowest average density (1.55 ± 0.07 g/cm 3) and mottled particles the highest (1.77 ± 0.04 g/cm 3). Spectral analysis of the samples shows a redder slope from 0.4 to 2.5 μm compared to Bennu's global spectrum, potentially indicating differences in particle size, surface ...
Late Latin is a kind of written Latin used in the 3rd to 6th centuries. This began to diverge from Classical forms at a faster pace. It is characterised by greater use of prepositions, and word order that is closer to modern Romance languages, for example, while grammatically retaining more or less the same formal rules as Classical Latin.
These results are consistent with a CDC report [187] which found that the fraction of "all children under age 6" with elevated lead blood level "was nearly 50 percent higher after the switch to Flint River water". The striking result of Gómez et al. however is that during the 11-year period, the "crisis years" are actually the third and fourth ...