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In atmospheric, earth, and planetary sciences, a scale height, usually denoted by the capital letter H, is a distance (vertical or radial) over which a physical quantity decreases by a factor of e (the base of natural logarithms, approximately 2.718).
The astronomical unit (symbol: au [1] [2] [3] [4] or AU) is a unit of length defined to be exactly equal to 149,597,870,700 m. [5] Historically, the astronomical unit was conceived as the average Earth-Sun distance (the average of Earth's aphelion and perihelion), before its modern redefinition in 2012.
Jednostka astronomiczna, oznaczenie au (dawniej również AU od ang. astronomical unit, w języku polskim czasem stosowany jest skrót j.a.) – pozaukładowa jednostka odległości używana w astronomii równa dokładnie 149 597 870 700 m.
26 lip 2024 · To convert from astronomical units to light years, we use the following equation: \footnotesize1\ \mathrm {au}=0.000015813\ \mathrm {ly} 1 au = 0.000015813 ly. Or, in the opposite direction: \footnotesize1\ \mathrm {ly}=63,\!241\ \mathrm {au} 1 ly = 63,241 au.
To help compare different orders of magnitude, the following list describes various lengths between metres and metres. Subatomic scale. Atomic to cellular scale. Cellular to human scale. Human to astronomical scale. Astronomical scale. 1 quectometre and less.
5 dni temu · astronomy. universe. solar parallax. On the Web: Academia - The astronomical units (Oct. 19, 2024) astronomical unit (AU, or au), a unit of length effectively equal to the average, or mean, distance between Earth and the Sun, defined as 149,597,870.7 km (92,955,807.3 miles).
Instant free online tool for astronomical unit to meter conversion or vice versa. The astronomical unit [AU, UA] to meter [m] conversion table and conversion steps are also listed. Also, explore tools to convert astronomical unit or meter to other length units or learn more about length conversions.
