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Factor ()Multiple Value Item 10 −18: 1 attohertz (aHz) ~2.2978 aHz: The Hubble constant (once in 13.8 billion years) : 10 −17: 10 aHz ~79 aHz: Supercontinent cycle (about every 400 million years)
The millimetre (SI symbol: mm) is a unit of length in the metric system equal to 10 −3 metres ( 1 / 1 000 m = 0.001 m). To help compare different orders of magnitude , this section lists lengths between 10 −3 m and 10 −2 m (1 mm and 1 cm).
The Leaf Aptus-II 12's sensor size of 53.7 mm × 40.3 mm is 92% of the area of a 56 mm × 41.5 mm standard-sized 6 × 4.5 frame, 69% of a 56 mm × 56 mm square-sized 6 × 6 frame, and 45% of the area of a 56 mm × 84 mm 6 × 9 frame. Introduced in December 2010, the Pentax 645D is a 40 megapixel medium-format DSLR. The camera has a 44×33 mm ...
The ratio of the width to the height of an image is known as the aspect ratio, or more precisely the display aspect ratio (DAR) – the aspect ratio of the image as displayed; for TV, DAR was traditionally 4:3 (a.k.a. fullscreen), with 16:9 (a.k.a. widescreen) now the standard for HDTV.
Concept art of MiG 1.44 in flight. The MiG 1.44 had its origins in the early 1980s, when the U.S. Air Force began developing a successor to the F-15 Eagle under the Advanced Tactical Fighter (ATF) project, which would eventually result in the supermaneuverable and stealthy, albeit costly, F-22 Raptor that first flew in 1997.
mm 3 /N/km Specific wear against steel 0.98 MPa 0.30 mm 3 /N/km Coefficient of friction against POM 0.15 m/s, 0.06 MPa 0.37 Availability and price.
By the 1990s, they were called 28 mm. figures, and have largely replaced 25s as the standard size for role-playing and many military games. Accessories scaled to match 28 mm gaming figures are generally built to 1:64 scale. More accurate to 1/64 scale car models would be the 20mm figures, or approximately 1/72.
The submultiple centistokes (cSt) is often used instead, 1 cSt = 1 mm 2 ·s −1 = 10 −6 m 2 ·s −1. 1 cSt is 1 cP divided by 1000 kg/m^3, close to the density of water. The kinematic viscosity of water at 20 °C is about 1 cSt.