Ẓeṛ aɣbalu n Tuzzya n tfukt

[[Tugna:Sun turn.gif|thumb|Tugna sɣur [[NASA]] temmal-d tuzzya n [[tafukt|tfukt]].]]

'''Tuzzya n [[Tafukt|tfukt]]''' d amsekni yettbeddilen s unect n [[tehri|tehri taraklant]] acku tafukt d tin igebren seg [[plasma (tasengama)|plasma]] tagazawt. Isig n tuzzya yettili d afellay deg [[Asebges|usebges]] n tfukt (Tehri n φ=0<sup>o</sup>), [[arured|tazzla]] ayi tettedras (tettenqas) yal mi ara ad ternu tehri. Dɣa tuzzya taneẓlayt n tfukt tettwaglam-d s tegda ayi:

:<math>\omega=A+B\,\sin^2(\varphi)+C\,\sin^4(\varphi)</math>

Anda:

ω : d arured uɣmir yettwastgen s tseddart/ass.

φ: d tehri tanafukt, tettwasteg s tseddart.

A,B,C : d timezgitin tisengamin.

Atig n tmezgitin A,B,C mgaraden s unect n tarrayt yettusmersen i wakat d tanzagt takudant yettuzrawen.<ref>{{Cite journal|last = Beck|first = J.|title = A comparison of differential rotation measurements|journal = Solar Physics|volume = 191|pages = 47–70| year = 2000|doi = 10.1023/A:1005226402796 }}</ref> Imir-a, Atigen (azalen) imnummsanen yettwaddgen i tmezgitin-a ttunefken-d s:<ref>{{Cite journal|last1 = Snodgrass|first1 = H.|last2 = Ulrich|first2 = R.|title = Rotation of Doppler features in the solar photosphere|journal = Astrophysical Journal|volume = 351|pages = 309–316| year = 1990|doi = 10.1086/168467|bibcode=1990ApJ...351..309S}}</ref>

:A= 14.713 deg/day ± 0.0491.

:B= –2.396 deg/day ± 0.188.

:C= –1.787 deg/day ± 0.253.

== Tuzzya tasnallant ==

== Tuzzya tagensawt n tfukt ==

== Ẓeṛ daɣen ==

== Imniren ==
[[Taggayt:Tasnallunt]] 
[[Taggayt:Tafukt]]
[[Taggayt:Tuzzya]]