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Ak

Astronomy Airy diskAl Mankib

ak index
A 3-hourly 'equivalent amplitude' index of geomagnetic activity for a specific station or network of stations (represented generically here by k) expressing the range of disturbance in the horizontal magnetic field.

 


Ak Koyunlu
The Ak Koyunlu or Aq Qoyunlu, also called the White Sheep Turkomans , was an Oghuz Turks tribal federation, that ruled parts of present-day Turkey, Armenia, Azerbaijan, northern Iraq, and western Iran from 1378 to 1508....
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The Ak Saray tomb was built in the mid 15th century and the Rigestan Square has several madrasahs which were built three different rulers.

Aa Ab Ac Ad Ae Af Ag Ah Ai Aj Ak Al Am An Ao Ap Aq Ar As At Au Av Aw Ax Ay Az
Au
AußenalsterAußerordentliche BefriedungsaktionAuítzotl ...

by Michael Orelove
Juneau, AK
A Flag for Mars
Flag Specifications
A Flag for Your Planet Activity ...

For example, for a Lambertian radiator (no limb darkening) we will have all ak=0 except a0=1. As another example, for the sun at 550 nm, the limb darkening is well expressed by N=2 and ...

O kometách že těžkářeč,
rozhodnout že to nechce,
míní však, že by nemělo
soudit se příliš lehce.

See also: Year, Time, Easter, Century, Period

Astronomy Airy diskAl Mankib

 
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