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Density
Глоссарий по астрономии |
Measured in grams per cubic centimeter (or kilograms per liter); the density of water is 1.0; iron is 7.9; lead is 11.3.
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Centimeter, английский
- Сантиметр
- In the metric system, a measure of length equal to a hundredth part of a meter, or 0.3937+ in.; abbreviated cm; an inch equals 2.54 cm. central air-conditioning system an airconditioning system in which the air is treated by equipment at one or more central locations outside the spaces served, and conveyed to and from these spaces by means of fans and pumps through ducts and pipes. central air-handling unit an air-handling unit in which treated air is distributed to a number of spaces by means of ductwork.
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Dinosaurs, французский
Large reptiles that lived in the mesozoic era from 230 to 65 million years ago; most probably wiped out by the impact of a large asteroid or comet.
Crater, французский
Bowl-shaped depression formed by the impact of a meteorite; depression around the orifice of a volcano.
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